Home / 152,936.40-229,404.60-99,792.30

Finding the Fourth Proportional to 152,936.40, 229,404.60 and 99,792.30

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Solution

The fourth proportional to 152,936.40, 229,404.60 and 99,792.30 is: 149,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,936.40 : 229,404.60 = 99,792.30 : x
  2. Step 2: Convert to fraction form
    152,936.40/229,404.60 = 99,792.30/x
  3. Step 3: Cross multiply
    152,936.40x = 229,404.60 × 99,792.30
  4. Step 4: Simplify right side
    152,936.40x = 22,892,812,664.58
  5. Step 5: Solve for x
    x = 22,892,812,664.58/152,936.40
  6. Step 6: Final answer
    x = 149,688.45

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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.