Home / 354,554.20-531,831.30-88,312.60

Finding the Fourth Proportional to 354,554.20, 531,831.30 and 88,312.60

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Solution

The fourth proportional to 354,554.20, 531,831.30 and 88,312.60 is: 132,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,554.20 : 531,831.30 = 88,312.60 : x
  2. Step 2: Convert to fraction form
    354,554.20/531,831.30 = 88,312.60/x
  3. Step 3: Cross multiply
    354,554.20x = 531,831.30 × 88,312.60
  4. Step 4: Simplify right side
    354,554.20x = 46,967,404,864.38
  5. Step 5: Solve for x
    x = 46,967,404,864.38/354,554.20
  6. Step 6: Final answer
    x = 132,468.90

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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.