Home / 149,776.20-224,551.98-90,599.76

Finding the Fourth Proportional to 149,776.20, 224,551.98 and 90,599.76

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Solution

The fourth proportional to 149,776.20, 224,551.98 and 90,599.76 is: 135,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,776.20 : 224,551.98 = 90,599.76 : x
  2. Step 2: Convert to fraction form
    149,776.20/224,551.98 = 90,599.76/x
  3. Step 3: Cross multiply
    149,776.20x = 224,551.98 × 90,599.76
  4. Step 4: Simplify right side
    149,776.20x = 20,344,355,495.52
  5. Step 5: Solve for x
    x = 20,344,355,495.52/149,776.20
  6. Step 6: Final answer
    x = 135,831.70

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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.