Home / 185,758.68-256,350.18-100,875.75

Finding the Fourth Proportional to 185,758.68, 256,350.18 and 100,875.75

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Solution

The fourth proportional to 185,758.68, 256,350.18 and 100,875.75 is: 139,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,758.68 : 256,350.18 = 100,875.75 : x
  2. Step 2: Convert to fraction form
    185,758.68/256,350.18 = 100,875.75/x
  3. Step 3: Cross multiply
    185,758.68x = 256,350.18 × 100,875.75
  4. Step 4: Simplify right side
    185,758.68x = 25,859,516,670.14
  5. Step 5: Solve for x
    x = 25,859,516,670.14/185,758.68
  6. Step 6: Final answer
    x = 139,210.27

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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.