Home / 97,743.60-146,615.40-83,746.80

Finding the Fourth Proportional to 97,743.60, 146,615.40 and 83,746.80

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Solution

The fourth proportional to 97,743.60, 146,615.40 and 83,746.80 is: 125,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.60 : 146,615.40 = 83,746.80 : x
  2. Step 2: Convert to fraction form
    97,743.60/146,615.40 = 83,746.80/x
  3. Step 3: Cross multiply
    97,743.60x = 146,615.40 × 83,746.80
  4. Step 4: Simplify right side
    97,743.60x = 12,278,570,580.72
  5. Step 5: Solve for x
    x = 12,278,570,580.72/97,743.60
  6. Step 6: Final answer
    x = 125,620.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.