Home / 159,926.08-221,631.48-157,671.04

Finding the Fourth Proportional to 159,926.08, 221,631.48 and 157,671.04

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Solution

The fourth proportional to 159,926.08, 221,631.48 and 157,671.04 is: 218,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,926.08 : 221,631.48 = 157,671.04 : x
  2. Step 2: Convert to fraction form
    159,926.08/221,631.48 = 157,671.04/x
  3. Step 3: Cross multiply
    159,926.08x = 221,631.48 × 157,671.04
  4. Step 4: Simplify right side
    159,926.08x = 34,944,865,948.34
  5. Step 5: Solve for x
    x = 34,944,865,948.34/159,926.08
  6. Step 6: Final answer
    x = 218,506.36

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.