Home / 113,853.93-156,770.61-103,174.08

Finding the Fourth Proportional to 113,853.93, 156,770.61 and 103,174.08

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Solution

The fourth proportional to 113,853.93, 156,770.61 and 103,174.08 is: 142,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,853.93 : 156,770.61 = 103,174.08 : x
  2. Step 2: Convert to fraction form
    113,853.93/156,770.61 = 103,174.08/x
  3. Step 3: Cross multiply
    113,853.93x = 156,770.61 × 103,174.08
  4. Step 4: Simplify right side
    113,853.93x = 16,174,663,457.79
  5. Step 5: Solve for x
    x = 16,174,663,457.79/113,853.93
  6. Step 6: Final answer
    x = 142,065.04

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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.