Home / 150,031.45-207,062.99-86,371.93

Finding the Fourth Proportional to 150,031.45, 207,062.99 and 86,371.93

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Solution

The fourth proportional to 150,031.45, 207,062.99 and 86,371.93 is: 119,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,031.45 : 207,062.99 = 86,371.93 : x
  2. Step 2: Convert to fraction form
    150,031.45/207,062.99 = 86,371.93/x
  3. Step 3: Cross multiply
    150,031.45x = 207,062.99 × 86,371.93
  4. Step 4: Simplify right side
    150,031.45x = 17,884,429,646.01
  5. Step 5: Solve for x
    x = 17,884,429,646.01/150,031.45
  6. Step 6: Final answer
    x = 119,204.54

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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.