Home / 127,617.73-176,082.36-107,277.11

Finding the Fourth Proportional to 127,617.73, 176,082.36 and 107,277.11

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Solution

The fourth proportional to 127,617.73, 176,082.36 and 107,277.11 is: 148,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,617.73 : 176,082.36 = 107,277.11 : x
  2. Step 2: Convert to fraction form
    127,617.73/176,082.36 = 107,277.11/x
  3. Step 3: Cross multiply
    127,617.73x = 176,082.36 × 107,277.11
  4. Step 4: Simplify right side
    127,617.73x = 18,889,606,080.39
  5. Step 5: Solve for x
    x = 18,889,606,080.39/127,617.73
  6. Step 6: Final answer
    x = 148,017.10

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1.5x scale

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.