Home / 112,241.40-168,595.38-89,030.04

Finding the Fourth Proportional to 112,241.40, 168,595.38 and 89,030.04

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Solution

The fourth proportional to 112,241.40, 168,595.38 and 89,030.04 is: 133,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,241.40 : 168,595.38 = 89,030.04 : x
  2. Step 2: Convert to fraction form
    112,241.40/168,595.38 = 89,030.04/x
  3. Step 3: Cross multiply
    112,241.40x = 168,595.38 × 89,030.04
  4. Step 4: Simplify right side
    112,241.40x = 15,010,053,425.22
  5. Step 5: Solve for x
    x = 15,010,053,425.22/112,241.40
  6. Step 6: Final answer
    x = 133,730.10

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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.