Home / 531,831.78-797,625.98-152,749.50

Finding the Fourth Proportional to 531,831.78, 797,625.98 and 152,749.50

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Solution

The fourth proportional to 531,831.78, 797,625.98 and 152,749.50 is: 229,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,831.78 : 797,625.98 = 152,749.50 : x
  2. Step 2: Convert to fraction form
    531,831.78/797,625.98 = 152,749.50/x
  3. Step 3: Cross multiply
    531,831.78x = 797,625.98 × 152,749.50
  4. Step 4: Simplify right side
    531,831.78x = 121,836,969,632.01
  5. Step 5: Solve for x
    x = 121,836,969,632.01/531,831.78
  6. Step 6: Final answer
    x = 229,089.30

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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.