Home / 116,766.43-174,509.85-85,242.87

Finding the Fourth Proportional to 116,766.43, 174,509.85 and 85,242.87

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Solution

The fourth proportional to 116,766.43, 174,509.85 and 85,242.87 is: 127,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,766.43 : 174,509.85 = 85,242.87 : x
  2. Step 2: Convert to fraction form
    116,766.43/174,509.85 = 85,242.87/x
  3. Step 3: Cross multiply
    116,766.43x = 174,509.85 × 85,242.87
  4. Step 4: Simplify right side
    116,766.43x = 14,875,720,670.38
  5. Step 5: Solve for x
    x = 14,875,720,670.38/116,766.43
  6. Step 6: Final answer
    x = 127,397.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.