Home / 156,983.20-235,474.80-97,626.40

Finding the Fourth Proportional to 156,983.20, 235,474.80 and 97,626.40

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Solution

The fourth proportional to 156,983.20, 235,474.80 and 97,626.40 is: 146,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.20 : 235,474.80 = 97,626.40 : x
  2. Step 2: Convert to fraction form
    156,983.20/235,474.80 = 97,626.40/x
  3. Step 3: Cross multiply
    156,983.20x = 235,474.80 × 97,626.40
  4. Step 4: Simplify right side
    156,983.20x = 22,988,557,014.72
  5. Step 5: Solve for x
    x = 22,988,557,014.72/156,983.20
  6. Step 6: Final answer
    x = 146,439.60

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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.