Home / 110,345.44-152,253.64-72,160.96

Finding the Fourth Proportional to 110,345.44, 152,253.64 and 72,160.96

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Solution

The fourth proportional to 110,345.44, 152,253.64 and 72,160.96 is: 99,567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,345.44 : 152,253.64 = 72,160.96 : x
  2. Step 2: Convert to fraction form
    110,345.44/152,253.64 = 72,160.96/x
  3. Step 3: Cross multiply
    110,345.44x = 152,253.64 × 72,160.96
  4. Step 4: Simplify right side
    110,345.44x = 10,986,768,825.89
  5. Step 5: Solve for x
    x = 10,986,768,825.89/110,345.44
  6. Step 6: Final answer
    x = 99,567.04

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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.