Home / 156,956.40-235,434.60-38,626.80

Finding the Fourth Proportional to 156,956.40, 235,434.60 and 38,626.80

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Solution

The fourth proportional to 156,956.40, 235,434.60 and 38,626.80 is: 57,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956.40 : 235,434.60 = 38,626.80 : x
  2. Step 2: Convert to fraction form
    156,956.40/235,434.60 = 38,626.80/x
  3. Step 3: Cross multiply
    156,956.40x = 235,434.60 × 38,626.80
  4. Step 4: Simplify right side
    156,956.40x = 9,094,085,207.28
  5. Step 5: Solve for x
    x = 9,094,085,207.28/156,956.40
  6. Step 6: Final answer
    x = 57,940.20

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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.