Home / 153,984.10-231,000.45-48,813.70

Finding the Fourth Proportional to 153,984.10, 231,000.45 and 48,813.70

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Solution

The fourth proportional to 153,984.10, 231,000.45 and 48,813.70 is: 73,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,984.10 : 231,000.45 = 48,813.70 : x
  2. Step 2: Convert to fraction form
    153,984.10/231,000.45 = 48,813.70/x
  3. Step 3: Cross multiply
    153,984.10x = 231,000.45 × 48,813.70
  4. Step 4: Simplify right side
    153,984.10x = 11,275,986,666.17
  5. Step 5: Solve for x
    x = 11,275,986,666.17/153,984.10
  6. Step 6: Final answer
    x = 73,228.25

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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.