Home / 138,725.60-208,088.39-58,776.17

Finding the Fourth Proportional to 138,725.60, 208,088.39 and 58,776.17

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Solution

The fourth proportional to 138,725.60, 208,088.39 and 58,776.17 is: 88,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,725.60 : 208,088.39 = 58,776.17 : x
  2. Step 2: Convert to fraction form
    138,725.60/208,088.39 = 58,776.17/x
  3. Step 3: Cross multiply
    138,725.60x = 208,088.39 × 58,776.17
  4. Step 4: Simplify right side
    138,725.60x = 12,230,637,692.16
  5. Step 5: Solve for x
    x = 12,230,637,692.16/138,725.60
  6. Step 6: Final answer
    x = 88,164.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.