Home / 150,032.45-207,064.37-86,372.93

Finding the Fourth Proportional to 150,032.45, 207,064.37 and 86,372.93

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Solution

The fourth proportional to 150,032.45, 207,064.37 and 86,372.93 is: 119,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,032.45 : 207,064.37 = 86,372.93 : x
  2. Step 2: Convert to fraction form
    150,032.45/207,064.37 = 86,372.93/x
  3. Step 3: Cross multiply
    150,032.45x = 207,064.37 × 86,372.93
  4. Step 4: Simplify right side
    150,032.45x = 17,884,756,335.50
  5. Step 5: Solve for x
    x = 17,884,756,335.50/150,032.45
  6. Step 6: Final answer
    x = 119,205.92

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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.