Home / 118,984.19-178,358.02-59,638.73

Finding the Fourth Proportional to 118,984.19, 178,358.02 and 59,638.73

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Solution

The fourth proportional to 118,984.19, 178,358.02 and 59,638.73 is: 89,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,984.19 : 178,358.02 = 59,638.73 : x
  2. Step 2: Convert to fraction form
    118,984.19/178,358.02 = 59,638.73/x
  3. Step 3: Cross multiply
    118,984.19x = 178,358.02 × 59,638.73
  4. Step 4: Simplify right side
    118,984.19x = 10,637,045,798.11
  5. Step 5: Solve for x
    x = 10,637,045,798.11/118,984.19
  6. Step 6: Final answer
    x = 89,398.82

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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.