Home / 152,870.74-229,201.44-77,845.66

Finding the Fourth Proportional to 152,870.74, 229,201.44 and 77,845.66

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Solution

The fourth proportional to 152,870.74, 229,201.44 and 77,845.66 is: 116,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,870.74 : 229,201.44 = 77,845.66 : x
  2. Step 2: Convert to fraction form
    152,870.74/229,201.44 = 77,845.66/x
  3. Step 3: Cross multiply
    152,870.74x = 229,201.44 × 77,845.66
  4. Step 4: Simplify right side
    152,870.74x = 17,842,337,369.75
  5. Step 5: Solve for x
    x = 17,842,337,369.75/152,870.74
  6. Step 6: Final answer
    x = 116,715.19

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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.