Home / 117,520.47-176,350.75-42,646.46

Finding the Fourth Proportional to 117,520.47, 176,350.75 and 42,646.46

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Solution

The fourth proportional to 117,520.47, 176,350.75 and 42,646.46 is: 63,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520.47 : 176,350.75 = 42,646.46 : x
  2. Step 2: Convert to fraction form
    117,520.47/176,350.75 = 42,646.46/x
  3. Step 3: Cross multiply
    117,520.47x = 176,350.75 × 42,646.46
  4. Step 4: Simplify right side
    117,520.47x = 7,520,734,871.58
  5. Step 5: Solve for x
    x = 7,520,734,871.58/117,520.47
  6. Step 6: Final answer
    x = 63,995.11

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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.