Home / 162,132.30-242,870.40-112,268.70

Finding the Fourth Proportional to 162,132.30, 242,870.40 and 112,268.70

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Solution

The fourth proportional to 162,132.30, 242,870.40 and 112,268.70 is: 168,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,132.30 : 242,870.40 = 112,268.70 : x
  2. Step 2: Convert to fraction form
    162,132.30/242,870.40 = 112,268.70/x
  3. Step 3: Cross multiply
    162,132.30x = 242,870.40 × 112,268.70
  4. Step 4: Simplify right side
    162,132.30x = 27,266,744,076.48
  5. Step 5: Solve for x
    x = 27,266,744,076.48/162,132.30
  6. Step 6: Final answer
    x = 168,175.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.