Home / 388,680.05-583,020.11-151,856.71

Finding the Fourth Proportional to 388,680.05, 583,020.11 and 151,856.71

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Solution

The fourth proportional to 388,680.05, 583,020.11 and 151,856.71 is: 227,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,680.05 : 583,020.11 = 151,856.71 : x
  2. Step 2: Convert to fraction form
    388,680.05/583,020.11 = 151,856.71/x
  3. Step 3: Cross multiply
    388,680.05x = 583,020.11 × 151,856.71
  4. Step 4: Simplify right side
    388,680.05x = 88,535,514,690.53
  5. Step 5: Solve for x
    x = 88,535,514,690.53/388,680.05
  6. Step 6: Final answer
    x = 227,785.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.