Home / 117,646.13-176,503.83-42,765.10

Finding the Fourth Proportional to 117,646.13, 176,503.83 and 42,765.10

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Solution

The fourth proportional to 117,646.13, 176,503.83 and 42,765.10 is: 64,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,646.13 : 176,503.83 = 42,765.10 : x
  2. Step 2: Convert to fraction form
    117,646.13/176,503.83 = 42,765.10/x
  3. Step 3: Cross multiply
    117,646.13x = 176,503.83 × 42,765.10
  4. Step 4: Simplify right side
    117,646.13x = 7,548,203,338.70
  5. Step 5: Solve for x
    x = 7,548,203,338.70/117,646.13
  6. Step 6: Final answer
    x = 64,160.23

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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.