Home / 185,985.92-256,688.64-113,430.92

Finding the Fourth Proportional to 185,985.92, 256,688.64 and 113,430.92

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Solution

The fourth proportional to 185,985.92, 256,688.64 and 113,430.92 is: 156,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,985.92 : 256,688.64 = 113,430.92 : x
  2. Step 2: Convert to fraction form
    185,985.92/256,688.64 = 113,430.92/x
  3. Step 3: Cross multiply
    185,985.92x = 256,688.64 × 113,430.92
  4. Step 4: Simplify right side
    185,985.92x = 29,116,428,588.75
  5. Step 5: Solve for x
    x = 29,116,428,588.75/185,985.92
  6. Step 6: Final answer
    x = 156,551.79

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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.