Home / 157,864.17-236,417.98-115,054.86

Finding the Fourth Proportional to 157,864.17, 236,417.98 and 115,054.86

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Solution

The fourth proportional to 157,864.17, 236,417.98 and 115,054.86 is: 172,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,864.17 : 236,417.98 = 115,054.86 : x
  2. Step 2: Convert to fraction form
    157,864.17/236,417.98 = 115,054.86/x
  3. Step 3: Cross multiply
    157,864.17x = 236,417.98 × 115,054.86
  4. Step 4: Simplify right side
    157,864.17x = 27,201,037,590.38
  5. Step 5: Solve for x
    x = 27,201,037,590.38/157,864.17
  6. Step 6: Final answer
    x = 172,306.59

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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.