Home / 185,772.68-256,368.18-100,891.40

Finding the Fourth Proportional to 185,772.68, 256,368.18 and 100,891.40

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Solution

The fourth proportional to 185,772.68, 256,368.18 and 100,891.40 is: 139,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,772.68 : 256,368.18 = 100,891.40 : x
  2. Step 2: Convert to fraction form
    185,772.68/256,368.18 = 100,891.40/x
  3. Step 3: Cross multiply
    185,772.68x = 256,368.18 × 100,891.40
  4. Step 4: Simplify right side
    185,772.68x = 25,865,344,595.65
  5. Step 5: Solve for x
    x = 25,865,344,595.65/185,772.68
  6. Step 6: Final answer
    x = 139,231.15

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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.