Home / 110,262.24-152,019-71,430.96

Finding the Fourth Proportional to 110,262.24, 152,019 and 71,430.96

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Solution

The fourth proportional to 110,262.24, 152,019 and 71,430.96 is: 98,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,262.24 : 152,019 = 71,430.96 : x
  2. Step 2: Convert to fraction form
    110,262.24/152,019 = 71,430.96/x
  3. Step 3: Cross multiply
    110,262.24x = 152,019 × 71,430.96
  4. Step 4: Simplify right side
    110,262.24x = 10,858,863,108.24
  5. Step 5: Solve for x
    x = 10,858,863,108.24/110,262.24
  6. Step 6: Final answer
    x = 98,482.16

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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.