Home / 156,987.33-235,479.06-38,659.70

Finding the Fourth Proportional to 156,987.33, 235,479.06 and 38,659.70

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Solution

The fourth proportional to 156,987.33, 235,479.06 and 38,659.70 is: 57,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.33 : 235,479.06 = 38,659.70 : x
  2. Step 2: Convert to fraction form
    156,987.33/235,479.06 = 38,659.70/x
  3. Step 3: Cross multiply
    156,987.33x = 235,479.06 × 38,659.70
  4. Step 4: Simplify right side
    156,987.33x = 9,103,548,638.49
  5. Step 5: Solve for x
    x = 9,103,548,638.49/156,987.33
  6. Step 6: Final answer
    x = 57,989.07

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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.