Home / 156,966.40-235,449.60-93,980.80

Finding the Fourth Proportional to 156,966.40, 235,449.60 and 93,980.80

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Solution

The fourth proportional to 156,966.40, 235,449.60 and 93,980.80 is: 140,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.40 : 235,449.60 = 93,980.80 : x
  2. Step 2: Convert to fraction form
    156,966.40/235,449.60 = 93,980.80/x
  3. Step 3: Cross multiply
    156,966.40x = 235,449.60 × 93,980.80
  4. Step 4: Simplify right side
    156,966.40x = 22,127,741,767.68
  5. Step 5: Solve for x
    x = 22,127,741,767.68/156,966.40
  6. Step 6: Final answer
    x = 140,971.20

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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.