Home / 175,843.05-242,663.54-103,231.72

Finding the Fourth Proportional to 175,843.05, 242,663.54 and 103,231.72

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Solution

The fourth proportional to 175,843.05, 242,663.54 and 103,231.72 is: 142,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,843.05 : 242,663.54 = 103,231.72 : x
  2. Step 2: Convert to fraction form
    175,843.05/242,663.54 = 103,231.72/x
  3. Step 3: Cross multiply
    175,843.05x = 242,663.54 × 103,231.72
  4. Step 4: Simplify right side
    175,843.05x = 25,050,574,983.34
  5. Step 5: Solve for x
    x = 25,050,574,983.34/175,843.05
  6. Step 6: Final answer
    x = 142,459.86

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1.5x scale

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.