Home / 185,888.52-256,527.02-105,331.76

Finding the Fourth Proportional to 185,888.52, 256,527.02 and 105,331.76

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Solution

The fourth proportional to 185,888.52, 256,527.02 and 105,331.76 is: 145,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,888.52 : 256,527.02 = 105,331.76 : x
  2. Step 2: Convert to fraction form
    185,888.52/256,527.02 = 105,331.76/x
  3. Step 3: Cross multiply
    185,888.52x = 256,527.02 × 105,331.76
  4. Step 4: Simplify right side
    185,888.52x = 27,020,440,694.86
  5. Step 5: Solve for x
    x = 27,020,440,694.86/185,888.52
  6. Step 6: Final answer
    x = 145,358.31

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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.