Home / 185,585.04-256,107.42-100,702.17

Finding the Fourth Proportional to 185,585.04, 256,107.42 and 100,702.17

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Solution

The fourth proportional to 185,585.04, 256,107.42 and 100,702.17 is: 138,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,585.04 : 256,107.42 = 100,702.17 : x
  2. Step 2: Convert to fraction form
    185,585.04/256,107.42 = 100,702.17/x
  3. Step 3: Cross multiply
    185,585.04x = 256,107.42 × 100,702.17
  4. Step 4: Simplify right side
    185,585.04x = 25,790,572,947.10
  5. Step 5: Solve for x
    x = 25,790,572,947.10/185,585.04
  6. Step 6: Final answer
    x = 138,969.03

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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.