Home / 185,590.02-256,114.78-113,969.28

Finding the Fourth Proportional to 185,590.02, 256,114.78 and 113,969.28

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Solution

The fourth proportional to 185,590.02, 256,114.78 and 113,969.28 is: 157,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,590.02 : 256,114.78 = 113,969.28 : x
  2. Step 2: Convert to fraction form
    185,590.02/256,114.78 = 113,969.28/x
  3. Step 3: Cross multiply
    185,590.02x = 256,114.78 × 113,969.28
  4. Step 4: Simplify right side
    185,590.02x = 29,189,217,073.96
  5. Step 5: Solve for x
    x = 29,189,217,073.96/185,590.02
  6. Step 6: Final answer
    x = 157,277.95

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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.