Home / 151,008.06-208,305.03-93,621.18

Finding the Fourth Proportional to 151,008.06, 208,305.03 and 93,621.18

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Solution

The fourth proportional to 151,008.06, 208,305.03 and 93,621.18 is: 129,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.06 : 208,305.03 = 93,621.18 : x
  2. Step 2: Convert to fraction form
    151,008.06/208,305.03 = 93,621.18/x
  3. Step 3: Cross multiply
    151,008.06x = 208,305.03 × 93,621.18
  4. Step 4: Simplify right side
    151,008.06x = 19,501,762,708.54
  5. Step 5: Solve for x
    x = 19,501,762,708.54/151,008.06
  6. Step 6: Final answer
    x = 129,143.85

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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.