Home / 144,043.30-215,546.55-97,387.30

Finding the Fourth Proportional to 144,043.30, 215,546.55 and 97,387.30

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Solution

The fourth proportional to 144,043.30, 215,546.55 and 97,387.30 is: 145,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,043.30 : 215,546.55 = 97,387.30 : x
  2. Step 2: Convert to fraction form
    144,043.30/215,546.55 = 97,387.30/x
  3. Step 3: Cross multiply
    144,043.30x = 215,546.55 × 97,387.30
  4. Step 4: Simplify right side
    144,043.30x = 20,991,496,528.82
  5. Step 5: Solve for x
    x = 20,991,496,528.82/144,043.30
  6. Step 6: Final answer
    x = 145,730.46

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1.5x scale

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.