Home / 117,488.28-176,283.15-42,619.03

Finding the Fourth Proportional to 117,488.28, 176,283.15 and 42,619.03

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Solution

The fourth proportional to 117,488.28, 176,283.15 and 42,619.03 is: 63,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488.28 : 176,283.15 = 42,619.03 : x
  2. Step 2: Convert to fraction form
    117,488.28/176,283.15 = 42,619.03/x
  3. Step 3: Cross multiply
    117,488.28x = 176,283.15 × 42,619.03
  4. Step 4: Simplify right side
    117,488.28x = 7,513,016,858.34
  5. Step 5: Solve for x
    x = 7,513,016,858.34/117,488.28
  6. Step 6: Final answer
    x = 63,946.95

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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.