Home / 142,766.85-196,944.56-96,810.95

Finding the Fourth Proportional to 142,766.85, 196,944.56 and 96,810.95

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Solution

The fourth proportional to 142,766.85, 196,944.56 and 96,810.95 is: 133,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,766.85 : 196,944.56 = 96,810.95 : x
  2. Step 2: Convert to fraction form
    142,766.85/196,944.56 = 96,810.95/x
  3. Step 3: Cross multiply
    142,766.85x = 196,944.56 × 96,810.95
  4. Step 4: Simplify right side
    142,766.85x = 19,066,389,959.24
  5. Step 5: Solve for x
    x = 19,066,389,959.24/142,766.85
  6. Step 6: Final answer
    x = 133,549.14

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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.