Home / 99,824.70-149,737.05-92,607.60

Finding the Fourth Proportional to 99,824.70, 149,737.05 and 92,607.60

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Solution

The fourth proportional to 99,824.70, 149,737.05 and 92,607.60 is: 138,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,824.70 : 149,737.05 = 92,607.60 : x
  2. Step 2: Convert to fraction form
    99,824.70/149,737.05 = 92,607.60/x
  3. Step 3: Cross multiply
    99,824.70x = 149,737.05 × 92,607.60
  4. Step 4: Simplify right side
    99,824.70x = 13,866,788,831.58
  5. Step 5: Solve for x
    x = 13,866,788,831.58/99,824.70
  6. Step 6: Final answer
    x = 138,911.40

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1.5x scale

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.