Home / 150,155.24-207,204.90-83,088.68

Finding the Fourth Proportional to 150,155.24, 207,204.90 and 83,088.68

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Solution

The fourth proportional to 150,155.24, 207,204.90 and 83,088.68 is: 114,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,155.24 : 207,204.90 = 83,088.68 : x
  2. Step 2: Convert to fraction form
    150,155.24/207,204.90 = 83,088.68/x
  3. Step 3: Cross multiply
    150,155.24x = 207,204.90 × 83,088.68
  4. Step 4: Simplify right side
    150,155.24x = 17,216,381,630.53
  5. Step 5: Solve for x
    x = 17,216,381,630.53/150,155.24
  6. Step 6: Final answer
    x = 114,657.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.