Home / 119,861.23-165,408.33-66,146.24

Finding the Fourth Proportional to 119,861.23, 165,408.33 and 66,146.24

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Solution

The fourth proportional to 119,861.23, 165,408.33 and 66,146.24 is: 91,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,861.23 : 165,408.33 = 66,146.24 : x
  2. Step 2: Convert to fraction form
    119,861.23/165,408.33 = 66,146.24/x
  3. Step 3: Cross multiply
    119,861.23x = 165,408.33 × 66,146.24
  4. Step 4: Simplify right side
    119,861.23x = 10,941,139,094.18
  5. Step 5: Solve for x
    x = 10,941,139,094.18/119,861.23
  6. Step 6: Final answer
    x = 91,281.72

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1.5x scale

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.