Home / 185,038.73-255,358.42-112,416.90

Finding the Fourth Proportional to 185,038.73, 255,358.42 and 112,416.90

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Solution

The fourth proportional to 185,038.73, 255,358.42 and 112,416.90 is: 155,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,038.73 : 255,358.42 = 112,416.90 : x
  2. Step 2: Convert to fraction form
    185,038.73/255,358.42 = 112,416.90/x
  3. Step 3: Cross multiply
    185,038.73x = 255,358.42 × 112,416.90
  4. Step 4: Simplify right side
    185,038.73x = 28,706,601,359.01
  5. Step 5: Solve for x
    x = 28,706,601,359.01/185,038.73
  6. Step 6: Final answer
    x = 155,138.34

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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.