Home / 152,885.88-229,411.31-89,829.20

Finding the Fourth Proportional to 152,885.88, 229,411.31 and 89,829.20

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Solution

The fourth proportional to 152,885.88, 229,411.31 and 89,829.20 is: 134,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,885.88 : 229,411.31 = 89,829.20 : x
  2. Step 2: Convert to fraction form
    152,885.88/229,411.31 = 89,829.20/x
  3. Step 3: Cross multiply
    152,885.88x = 229,411.31 × 89,829.20
  4. Step 4: Simplify right side
    152,885.88x = 20,607,834,572.63
  5. Step 5: Solve for x
    x = 20,607,834,572.63/152,885.88
  6. Step 6: Final answer
    x = 134,792.27

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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.