Home / 152,526.96-228,654.36-77,605.20

Finding the Fourth Proportional to 152,526.96, 228,654.36 and 77,605.20

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Solution

The fourth proportional to 152,526.96, 228,654.36 and 77,605.20 is: 116,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,526.96 : 228,654.36 = 77,605.20 : x
  2. Step 2: Convert to fraction form
    152,526.96/228,654.36 = 77,605.20/x
  3. Step 3: Cross multiply
    152,526.96x = 228,654.36 × 77,605.20
  4. Step 4: Simplify right side
    152,526.96x = 17,744,767,338.67
  5. Step 5: Solve for x
    x = 17,744,767,338.67/152,526.96
  6. Step 6: Final answer
    x = 116,338.56

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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.