Home / 157,845.13-217,811.98-88,945.81

Finding the Fourth Proportional to 157,845.13, 217,811.98 and 88,945.81

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Solution

The fourth proportional to 157,845.13, 217,811.98 and 88,945.81 is: 122,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,845.13 : 217,811.98 = 88,945.81 : x
  2. Step 2: Convert to fraction form
    157,845.13/217,811.98 = 88,945.81/x
  3. Step 3: Cross multiply
    157,845.13x = 217,811.98 × 88,945.81
  4. Step 4: Simplify right side
    157,845.13x = 19,373,462,988.80
  5. Step 5: Solve for x
    x = 19,373,462,988.80/157,845.13
  6. Step 6: Final answer
    x = 122,737.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.