Home / 98,733.40-148,445.70-96,659.80

Finding the Fourth Proportional to 98,733.40, 148,445.70 and 96,659.80

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Solution

The fourth proportional to 98,733.40, 148,445.70 and 96,659.80 is: 145,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,733.40 : 148,445.70 = 96,659.80 : x
  2. Step 2: Convert to fraction form
    98,733.40/148,445.70 = 96,659.80/x
  3. Step 3: Cross multiply
    98,733.40x = 148,445.70 × 96,659.80
  4. Step 4: Simplify right side
    98,733.40x = 14,348,731,672.86
  5. Step 5: Solve for x
    x = 14,348,731,672.86/98,733.40
  6. Step 6: Final answer
    x = 145,328.04

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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.