Home / 156,922.06-216,547.84-85,300.24

Finding the Fourth Proportional to 156,922.06, 216,547.84 and 85,300.24

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Solution

The fourth proportional to 156,922.06, 216,547.84 and 85,300.24 is: 117,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.06 : 216,547.84 = 85,300.24 : x
  2. Step 2: Convert to fraction form
    156,922.06/216,547.84 = 85,300.24/x
  3. Step 3: Cross multiply
    156,922.06x = 216,547.84 × 85,300.24
  4. Step 4: Simplify right side
    156,922.06x = 18,471,582,723.48
  5. Step 5: Solve for x
    x = 18,471,582,723.48/156,922.06
  6. Step 6: Final answer
    x = 117,711.83

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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.