Home / 117,164.97-175,711.08-42,275.36

Finding the Fourth Proportional to 117,164.97, 175,711.08 and 42,275.36

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Solution

The fourth proportional to 117,164.97, 175,711.08 and 42,275.36 is: 63,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,164.97 : 175,711.08 = 42,275.36 : x
  2. Step 2: Convert to fraction form
    117,164.97/175,711.08 = 42,275.36/x
  3. Step 3: Cross multiply
    117,164.97x = 175,711.08 × 42,275.36
  4. Step 4: Simplify right side
    117,164.97x = 7,428,249,602.27
  5. Step 5: Solve for x
    x = 7,428,249,602.27/117,164.97
  6. Step 6: Final answer
    x = 63,399.92

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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.