Home / 118,342.97-177,516.02-39,457.22

Finding the Fourth Proportional to 118,342.97, 177,516.02 and 39,457.22

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Solution

The fourth proportional to 118,342.97, 177,516.02 and 39,457.22 is: 59,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,342.97 : 177,516.02 = 39,457.22 : x
  2. Step 2: Convert to fraction form
    118,342.97/177,516.02 = 39,457.22/x
  3. Step 3: Cross multiply
    118,342.97x = 177,516.02 × 39,457.22
  4. Step 4: Simplify right side
    118,342.97x = 7,004,287,569.80
  5. Step 5: Solve for x
    x = 7,004,287,569.80/118,342.97
  6. Step 6: Final answer
    x = 59,186.35

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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.