Home / 185,701.04-256,283.30-105,142.76

Finding the Fourth Proportional to 185,701.04, 256,283.30 and 105,142.76

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Solution

The fourth proportional to 185,701.04, 256,283.30 and 105,142.76 is: 145,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,701.04 : 256,283.30 = 105,142.76 : x
  2. Step 2: Convert to fraction form
    185,701.04/256,283.30 = 105,142.76/x
  3. Step 3: Cross multiply
    185,701.04x = 256,283.30 × 105,142.76
  4. Step 4: Simplify right side
    185,701.04x = 26,946,332,978.19
  5. Step 5: Solve for x
    x = 26,946,332,978.19/185,701.04
  6. Step 6: Final answer
    x = 145,105.99

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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.