Home / 153,491.43-230,268.28-48,285.93

Finding the Fourth Proportional to 153,491.43, 230,268.28 and 48,285.93

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Solution

The fourth proportional to 153,491.43, 230,268.28 and 48,285.93 is: 72,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,491.43 : 230,268.28 = 48,285.93 : x
  2. Step 2: Convert to fraction form
    153,491.43/230,268.28 = 48,285.93/x
  3. Step 3: Cross multiply
    153,491.43x = 230,268.28 × 48,285.93
  4. Step 4: Simplify right side
    153,491.43x = 11,118,718,049.30
  5. Step 5: Solve for x
    x = 11,118,718,049.30/153,491.43
  6. Step 6: Final answer
    x = 72,438.69

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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.