Home / 150,057.45-207,056.25-86,382.93

Finding the Fourth Proportional to 150,057.45, 207,056.25 and 86,382.93

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Solution

The fourth proportional to 150,057.45, 207,056.25 and 86,382.93 is: 119,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,057.45 : 207,056.25 = 86,382.93 : x
  2. Step 2: Convert to fraction form
    150,057.45/207,056.25 = 86,382.93/x
  3. Step 3: Cross multiply
    150,057.45x = 207,056.25 × 86,382.93
  4. Step 4: Simplify right side
    150,057.45x = 17,886,125,549.81
  5. Step 5: Solve for x
    x = 17,886,125,549.81/150,057.45
  6. Step 6: Final answer
    x = 119,195.19

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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.