Home / 152,742.88-229,040.33-89,583.68

Finding the Fourth Proportional to 152,742.88, 229,040.33 and 89,583.68

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Solution

The fourth proportional to 152,742.88, 229,040.33 and 89,583.68 is: 134,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,742.88 : 229,040.33 = 89,583.68 : x
  2. Step 2: Convert to fraction form
    152,742.88/229,040.33 = 89,583.68/x
  3. Step 3: Cross multiply
    152,742.88x = 229,040.33 × 89,583.68
  4. Step 4: Simplify right side
    152,742.88x = 20,518,275,754.50
  5. Step 5: Solve for x
    x = 20,518,275,754.50/152,742.88
  6. Step 6: Final answer
    x = 134,332.12

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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.