Home / 150,200.48-207,256.20-89,758.40

Finding the Fourth Proportional to 150,200.48, 207,256.20 and 89,758.40

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Solution

The fourth proportional to 150,200.48, 207,256.20 and 89,758.40 is: 123,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,200.48 : 207,256.20 = 89,758.40 : x
  2. Step 2: Convert to fraction form
    150,200.48/207,256.20 = 89,758.40/x
  3. Step 3: Cross multiply
    150,200.48x = 207,256.20 × 89,758.40
  4. Step 4: Simplify right side
    150,200.48x = 18,602,984,902.08
  5. Step 5: Solve for x
    x = 18,602,984,902.08/150,200.48
  6. Step 6: Final answer
    x = 123,854.36

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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.