Home / 346,487.75-519,731.65-83,831.75

Finding the Fourth Proportional to 346,487.75, 519,731.65 and 83,831.75

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Solution

The fourth proportional to 346,487.75, 519,731.65 and 83,831.75 is: 125,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,487.75 : 519,731.65 = 83,831.75 : x
  2. Step 2: Convert to fraction form
    346,487.75/519,731.65 = 83,831.75/x
  3. Step 3: Cross multiply
    346,487.75x = 519,731.65 × 83,831.75
  4. Step 4: Simplify right side
    346,487.75x = 43,570,013,330.73
  5. Step 5: Solve for x
    x = 43,570,013,330.73/346,487.75
  6. Step 6: Final answer
    x = 125,747.63

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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.