Home / 156,902.68-216,525.96-85,282.51

Finding the Fourth Proportional to 156,902.68, 216,525.96 and 85,282.51

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Solution

The fourth proportional to 156,902.68, 216,525.96 and 85,282.51 is: 117,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.68 : 216,525.96 = 85,282.51 : x
  2. Step 2: Convert to fraction form
    156,902.68/216,525.96 = 85,282.51/x
  3. Step 3: Cross multiply
    156,902.68x = 216,525.96 × 85,282.51
  4. Step 4: Simplify right side
    156,902.68x = 18,465,877,348.96
  5. Step 5: Solve for x
    x = 18,465,877,348.96/156,902.68
  6. Step 6: Final answer
    x = 117,690.01

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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.