Home / 134,833.28-186,061.56-74,404.40

Finding the Fourth Proportional to 134,833.28, 186,061.56 and 74,404.40

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Solution

The fourth proportional to 134,833.28, 186,061.56 and 74,404.40 is: 102,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,833.28 : 186,061.56 = 74,404.40 : x
  2. Step 2: Convert to fraction form
    134,833.28/186,061.56 = 74,404.40/x
  3. Step 3: Cross multiply
    134,833.28x = 186,061.56 × 74,404.40
  4. Step 4: Simplify right side
    134,833.28x = 13,843,798,734.86
  5. Step 5: Solve for x
    x = 13,843,798,734.86/134,833.28
  6. Step 6: Final answer
    x = 102,673.46

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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.