Home / 150,088.95-207,072.45-86,425.38

Finding the Fourth Proportional to 150,088.95, 207,072.45 and 86,425.38

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Solution

The fourth proportional to 150,088.95, 207,072.45 and 86,425.38 is: 119,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,088.95 : 207,072.45 = 86,425.38 : x
  2. Step 2: Convert to fraction form
    150,088.95/207,072.45 = 86,425.38/x
  3. Step 3: Cross multiply
    150,088.95x = 207,072.45 × 86,425.38
  4. Step 4: Simplify right side
    150,088.95x = 17,896,315,178.78
  5. Step 5: Solve for x
    x = 17,896,315,178.78/150,088.95
  6. Step 6: Final answer
    x = 119,238.06

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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.