Home / 185,384.52-255,823.74-100,499.76

Finding the Fourth Proportional to 185,384.52, 255,823.74 and 100,499.76

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Solution

The fourth proportional to 185,384.52, 255,823.74 and 100,499.76 is: 138,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,384.52 : 255,823.74 = 100,499.76 : x
  2. Step 2: Convert to fraction form
    185,384.52/255,823.74 = 100,499.76/x
  3. Step 3: Cross multiply
    185,384.52x = 255,823.74 × 100,499.76
  4. Step 4: Simplify right side
    185,384.52x = 25,710,224,472.30
  5. Step 5: Solve for x
    x = 25,710,224,472.30/185,384.52
  6. Step 6: Final answer
    x = 138,685.93

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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.