Home / 134,975.28-186,267.29-74,547.46

Finding the Fourth Proportional to 134,975.28, 186,267.29 and 74,547.46

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Solution

The fourth proportional to 134,975.28, 186,267.29 and 74,547.46 is: 102,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,975.28 : 186,267.29 = 74,547.46 : x
  2. Step 2: Convert to fraction form
    134,975.28/186,267.29 = 74,547.46/x
  3. Step 3: Cross multiply
    134,975.28x = 186,267.29 × 74,547.46
  4. Step 4: Simplify right side
    134,975.28x = 13,885,753,350.58
  5. Step 5: Solve for x
    x = 13,885,753,350.58/134,975.28
  6. Step 6: Final answer
    x = 102,876.27

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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.