Home / 218,182.17-301,089.51-122,686.83

Finding the Fourth Proportional to 218,182.17, 301,089.51 and 122,686.83

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Solution

The fourth proportional to 218,182.17, 301,089.51 and 122,686.83 is: 169,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,182.17 : 301,089.51 = 122,686.83 : x
  2. Step 2: Convert to fraction form
    218,182.17/301,089.51 = 122,686.83/x
  3. Step 3: Cross multiply
    218,182.17x = 301,089.51 × 122,686.83
  4. Step 4: Simplify right side
    218,182.17x = 36,939,717,528.15
  5. Step 5: Solve for x
    x = 36,939,717,528.15/218,182.17
  6. Step 6: Final answer
    x = 169,306.77

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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.