Home / 151,382.85-208,749.96-113,082.36

Finding the Fourth Proportional to 151,382.85, 208,749.96 and 113,082.36

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Solution

The fourth proportional to 151,382.85, 208,749.96 and 113,082.36 is: 155,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,382.85 : 208,749.96 = 113,082.36 : x
  2. Step 2: Convert to fraction form
    151,382.85/208,749.96 = 113,082.36/x
  3. Step 3: Cross multiply
    151,382.85x = 208,749.96 × 113,082.36
  4. Step 4: Simplify right side
    151,382.85x = 23,605,938,126.71
  5. Step 5: Solve for x
    x = 23,605,938,126.71/151,382.85
  6. Step 6: Final answer
    x = 155,935.35

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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.