Home / 185,787.04-256,402.08-105,228.80

Finding the Fourth Proportional to 185,787.04, 256,402.08 and 105,228.80

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Solution

The fourth proportional to 185,787.04, 256,402.08 and 105,228.80 is: 145,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.04 : 256,402.08 = 105,228.80 : x
  2. Step 2: Convert to fraction form
    185,787.04/256,402.08 = 105,228.80/x
  3. Step 3: Cross multiply
    185,787.04x = 256,402.08 × 105,228.80
  4. Step 4: Simplify right side
    185,787.04x = 26,980,883,195.90
  5. Step 5: Solve for x
    x = 26,980,883,195.90/185,787.04
  6. Step 6: Final answer
    x = 145,224.79

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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.