Home / 151,924.84-209,652.78-83,938.30

Finding the Fourth Proportional to 151,924.84, 209,652.78 and 83,938.30

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Solution

The fourth proportional to 151,924.84, 209,652.78 and 83,938.30 is: 115,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,924.84 : 209,652.78 = 83,938.30 : x
  2. Step 2: Convert to fraction form
    151,924.84/209,652.78 = 83,938.30/x
  3. Step 3: Cross multiply
    151,924.84x = 209,652.78 × 83,938.30
  4. Step 4: Simplify right side
    151,924.84x = 17,597,897,943.47
  5. Step 5: Solve for x
    x = 17,597,897,943.47/151,924.84
  6. Step 6: Final answer
    x = 115,832.92

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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.