Home / 525,831.60-788,747.40-146,751.60

Finding the Fourth Proportional to 525,831.60, 788,747.40 and 146,751.60

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Solution

The fourth proportional to 525,831.60, 788,747.40 and 146,751.60 is: 220,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,831.60 : 788,747.40 = 146,751.60 : x
  2. Step 2: Convert to fraction form
    525,831.60/788,747.40 = 146,751.60/x
  3. Step 3: Cross multiply
    525,831.60x = 788,747.40 × 146,751.60
  4. Step 4: Simplify right side
    525,831.60x = 115,749,942,945.84
  5. Step 5: Solve for x
    x = 115,749,942,945.84/525,831.60
  6. Step 6: Final answer
    x = 220,127.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.