Home / 153,890.20-230,835.30-48,741.40

Finding the Fourth Proportional to 153,890.20, 230,835.30 and 48,741.40

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Solution

The fourth proportional to 153,890.20, 230,835.30 and 48,741.40 is: 73,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,890.20 : 230,835.30 = 48,741.40 : x
  2. Step 2: Convert to fraction form
    153,890.20/230,835.30 = 48,741.40/x
  3. Step 3: Cross multiply
    153,890.20x = 230,835.30 × 48,741.40
  4. Step 4: Simplify right side
    153,890.20x = 11,251,235,691.42
  5. Step 5: Solve for x
    x = 11,251,235,691.42/153,890.20
  6. Step 6: Final answer
    x = 73,112.10

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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.