Home / 150,543.32-207,759.12-83,475.32

Finding the Fourth Proportional to 150,543.32, 207,759.12 and 83,475.32

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Solution

The fourth proportional to 150,543.32, 207,759.12 and 83,475.32 is: 115,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,543.32 : 207,759.12 = 83,475.32 : x
  2. Step 2: Convert to fraction form
    150,543.32/207,759.12 = 83,475.32/x
  3. Step 3: Cross multiply
    150,543.32x = 207,759.12 × 83,475.32
  4. Step 4: Simplify right side
    150,543.32x = 17,342,759,024.92
  5. Step 5: Solve for x
    x = 17,342,759,024.92/150,543.32
  6. Step 6: Final answer
    x = 115,201.12

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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.