Home / 185,782.60-256,377.18-100,898.92

Finding the Fourth Proportional to 185,782.60, 256,377.18 and 100,898.92

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Solution

The fourth proportional to 185,782.60, 256,377.18 and 100,898.92 is: 139,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,782.60 : 256,377.18 = 100,898.92 : x
  2. Step 2: Convert to fraction form
    185,782.60/256,377.18 = 100,898.92/x
  3. Step 3: Cross multiply
    185,782.60x = 256,377.18 × 100,898.92
  4. Step 4: Simplify right side
    185,782.60x = 25,868,180,574.65
  5. Step 5: Solve for x
    x = 25,868,180,574.65/185,782.60
  6. Step 6: Final answer
    x = 139,238.98

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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.