Home / 157,306.12-235,956.66-57,465.88

Finding the Fourth Proportional to 157,306.12, 235,956.66 and 57,465.88

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Solution

The fourth proportional to 157,306.12, 235,956.66 and 57,465.88 is: 86,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,306.12 : 235,956.66 = 57,465.88 : x
  2. Step 2: Convert to fraction form
    157,306.12/235,956.66 = 57,465.88/x
  3. Step 3: Cross multiply
    157,306.12x = 235,956.66 × 57,465.88
  4. Step 4: Simplify right side
    157,306.12x = 13,559,457,108.76
  5. Step 5: Solve for x
    x = 13,559,457,108.76/157,306.12
  6. Step 6: Final answer
    x = 86,197.90

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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.