Home / 118,859.31-178,347.02-52,291.13

Finding the Fourth Proportional to 118,859.31, 178,347.02 and 52,291.13

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Solution

The fourth proportional to 118,859.31, 178,347.02 and 52,291.13 is: 78,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,859.31 : 178,347.02 = 52,291.13 : x
  2. Step 2: Convert to fraction form
    118,859.31/178,347.02 = 52,291.13/x
  3. Step 3: Cross multiply
    118,859.31x = 178,347.02 × 52,291.13
  4. Step 4: Simplify right side
    118,859.31x = 9,325,966,054.74
  5. Step 5: Solve for x
    x = 9,325,966,054.74/118,859.31
  6. Step 6: Final answer
    x = 78,462.23

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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.