Home / 156,982.96-216,560.35-93,275.65

Finding the Fourth Proportional to 156,982.96, 216,560.35 and 93,275.65

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Solution

The fourth proportional to 156,982.96, 216,560.35 and 93,275.65 is: 128,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.96 : 216,560.35 = 93,275.65 : x
  2. Step 2: Convert to fraction form
    156,982.96/216,560.35 = 93,275.65/x
  3. Step 3: Cross multiply
    156,982.96x = 216,560.35 × 93,275.65
  4. Step 4: Simplify right side
    156,982.96x = 20,199,807,410.48
  5. Step 5: Solve for x
    x = 20,199,807,410.48/156,982.96
  6. Step 6: Final answer
    x = 128,675.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.