Home / 107,630.22-148,445.55-69,916.62

Finding the Fourth Proportional to 107,630.22, 148,445.55 and 69,916.62

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Solution

The fourth proportional to 107,630.22, 148,445.55 and 69,916.62 is: 96,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,630.22 : 148,445.55 = 69,916.62 : x
  2. Step 2: Convert to fraction form
    107,630.22/148,445.55 = 69,916.62/x
  3. Step 3: Cross multiply
    107,630.22x = 148,445.55 × 69,916.62
  4. Step 4: Simplify right side
    107,630.22x = 10,378,811,110.04
  5. Step 5: Solve for x
    x = 10,378,811,110.04/107,630.22
  6. Step 6: Final answer
    x = 96,430.27

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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.