Home / 124,191.51-186,182.78-54,017.97

Finding the Fourth Proportional to 124,191.51, 186,182.78 and 54,017.97

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Solution

The fourth proportional to 124,191.51, 186,182.78 and 54,017.97 is: 80,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,191.51 : 186,182.78 = 54,017.97 : x
  2. Step 2: Convert to fraction form
    124,191.51/186,182.78 = 54,017.97/x
  3. Step 3: Cross multiply
    124,191.51x = 186,182.78 × 54,017.97
  4. Step 4: Simplify right side
    124,191.51x = 10,057,216,154.97
  5. Step 5: Solve for x
    x = 10,057,216,154.97/124,191.51
  6. Step 6: Final answer
    x = 80,981.51

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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.