Home / 97,820.60-146,730.90-83,823.80

Finding the Fourth Proportional to 97,820.60, 146,730.90 and 83,823.80

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Solution

The fourth proportional to 97,820.60, 146,730.90 and 83,823.80 is: 125,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,820.60 : 146,730.90 = 83,823.80 : x
  2. Step 2: Convert to fraction form
    97,820.60/146,730.90 = 83,823.80/x
  3. Step 3: Cross multiply
    97,820.60x = 146,730.90 × 83,823.80
  4. Step 4: Simplify right side
    97,820.60x = 12,299,541,615.42
  5. Step 5: Solve for x
    x = 12,299,541,615.42/97,820.60
  6. Step 6: Final answer
    x = 125,735.70

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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.