Home / 152,877.74-210,964.18-84,899.04

Finding the Fourth Proportional to 152,877.74, 210,964.18 and 84,899.04

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Solution

The fourth proportional to 152,877.74, 210,964.18 and 84,899.04 is: 117,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,877.74 : 210,964.18 = 84,899.04 : x
  2. Step 2: Convert to fraction form
    152,877.74/210,964.18 = 84,899.04/x
  3. Step 3: Cross multiply
    152,877.74x = 210,964.18 × 84,899.04
  4. Step 4: Simplify right side
    152,877.74x = 17,910,656,356.39
  5. Step 5: Solve for x
    x = 17,910,656,356.39/152,877.74
  6. Step 6: Final answer
    x = 117,156.73

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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.