Home / 354,264.10-531,281.02-117,543.22

Finding the Fourth Proportional to 354,264.10, 531,281.02 and 117,543.22

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Solution

The fourth proportional to 354,264.10, 531,281.02 and 117,543.22 is: 176,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,264.10 : 531,281.02 = 117,543.22 : x
  2. Step 2: Convert to fraction form
    354,264.10/531,281.02 = 117,543.22/x
  3. Step 3: Cross multiply
    354,264.10x = 531,281.02 × 117,543.22
  4. Step 4: Simplify right side
    354,264.10x = 62,448,481,815.68
  5. Step 5: Solve for x
    x = 62,448,481,815.68/354,264.10
  6. Step 6: Final answer
    x = 176,276.63

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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.