Home / 107,290.10-148,053.44-67,001.45

Finding the Fourth Proportional to 107,290.10, 148,053.44 and 67,001.45

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Solution

The fourth proportional to 107,290.10, 148,053.44 and 67,001.45 is: 92,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,290.10 : 148,053.44 = 67,001.45 : x
  2. Step 2: Convert to fraction form
    107,290.10/148,053.44 = 67,001.45/x
  3. Step 3: Cross multiply
    107,290.10x = 148,053.44 × 67,001.45
  4. Step 4: Simplify right side
    107,290.10x = 9,919,794,584.72
  5. Step 5: Solve for x
    x = 9,919,794,584.72/107,290.10
  6. Step 6: Final answer
    x = 92,457.69

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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.