Home / 113,316.10-169,974.15-100,194.10

Finding the Fourth Proportional to 113,316.10, 169,974.15 and 100,194.10

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Solution

The fourth proportional to 113,316.10, 169,974.15 and 100,194.10 is: 150,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,316.10 : 169,974.15 = 100,194.10 : x
  2. Step 2: Convert to fraction form
    113,316.10/169,974.15 = 100,194.10/x
  3. Step 3: Cross multiply
    113,316.10x = 169,974.15 × 100,194.10
  4. Step 4: Simplify right side
    113,316.10x = 17,030,406,982.52
  5. Step 5: Solve for x
    x = 17,030,406,982.52/113,316.10
  6. Step 6: Final answer
    x = 150,291.15

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1.5x scale

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.