Home / 159,536.04-220,156.90-86,939.57

Finding the Fourth Proportional to 159,536.04, 220,156.90 and 86,939.57

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Solution

The fourth proportional to 159,536.04, 220,156.90 and 86,939.57 is: 119,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,536.04 : 220,156.90 = 86,939.57 : x
  2. Step 2: Convert to fraction form
    159,536.04/220,156.90 = 86,939.57/x
  3. Step 3: Cross multiply
    159,536.04x = 220,156.90 × 86,939.57
  4. Step 4: Simplify right side
    159,536.04x = 19,140,346,218.53
  5. Step 5: Solve for x
    x = 19,140,346,218.53/159,536.04
  6. Step 6: Final answer
    x = 119,975.06

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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.