Home / 151,349.13-208,871.28-83,366.10

Finding the Fourth Proportional to 151,349.13, 208,871.28 and 83,366.10

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Solution

The fourth proportional to 151,349.13, 208,871.28 and 83,366.10 is: 115,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,349.13 : 208,871.28 = 83,366.10 : x
  2. Step 2: Convert to fraction form
    151,349.13/208,871.28 = 83,366.10/x
  3. Step 3: Cross multiply
    151,349.13x = 208,871.28 × 83,366.10
  4. Step 4: Simplify right side
    151,349.13x = 17,412,784,015.61
  5. Step 5: Solve for x
    x = 17,412,784,015.61/151,349.13
  6. Step 6: Final answer
    x = 115,050.44

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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.