Home / 175,402.48-242,036.76-103,785.52

Finding the Fourth Proportional to 175,402.48, 242,036.76 and 103,785.52

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Solution

The fourth proportional to 175,402.48, 242,036.76 and 103,785.52 is: 143,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,402.48 : 242,036.76 = 103,785.52 : x
  2. Step 2: Convert to fraction form
    175,402.48/242,036.76 = 103,785.52/x
  3. Step 3: Cross multiply
    175,402.48x = 242,036.76 × 103,785.52
  4. Step 4: Simplify right side
    175,402.48x = 25,119,910,995.72
  5. Step 5: Solve for x
    x = 25,119,910,995.72/175,402.48
  6. Step 6: Final answer
    x = 143,212.98

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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.