Home / 157,785.18-236,747.13-82,887.93

Finding the Fourth Proportional to 157,785.18, 236,747.13 and 82,887.93

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Solution

The fourth proportional to 157,785.18, 236,747.13 and 82,887.93 is: 124,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,785.18 : 236,747.13 = 82,887.93 : x
  2. Step 2: Convert to fraction form
    157,785.18/236,747.13 = 82,887.93/x
  3. Step 3: Cross multiply
    157,785.18x = 236,747.13 × 82,887.93
  4. Step 4: Simplify right side
    157,785.18x = 19,623,479,539.14
  5. Step 5: Solve for x
    x = 19,623,479,539.14/157,785.18
  6. Step 6: Final answer
    x = 124,368.33

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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.