Home / 185,825.30-256,445.96-104,155.05

Finding the Fourth Proportional to 185,825.30, 256,445.96 and 104,155.05

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Solution

The fourth proportional to 185,825.30, 256,445.96 and 104,155.05 is: 143,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,825.30 : 256,445.96 = 104,155.05 : x
  2. Step 2: Convert to fraction form
    185,825.30/256,445.96 = 104,155.05/x
  3. Step 3: Cross multiply
    185,825.30x = 256,445.96 × 104,155.05
  4. Step 4: Simplify right side
    185,825.30x = 26,710,141,786.10
  5. Step 5: Solve for x
    x = 26,710,141,786.10/185,825.30
  6. Step 6: Final answer
    x = 143,737.92

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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.