Home / 154,656.52-231,956.96-70,397.08

Finding the Fourth Proportional to 154,656.52, 231,956.96 and 70,397.08

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Solution

The fourth proportional to 154,656.52, 231,956.96 and 70,397.08 is: 105,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,656.52 : 231,956.96 = 70,397.08 : x
  2. Step 2: Convert to fraction form
    154,656.52/231,956.96 = 70,397.08/x
  3. Step 3: Cross multiply
    154,656.52x = 231,956.96 × 70,397.08
  4. Step 4: Simplify right side
    154,656.52x = 16,329,092,669.68
  5. Step 5: Solve for x
    x = 16,329,092,669.68/154,656.52
  6. Step 6: Final answer
    x = 105,582.96

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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.