Home / 185,645.60-278,554.80-96,999.20

Finding the Fourth Proportional to 185,645.60, 278,554.80 and 96,999.20

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Solution

The fourth proportional to 185,645.60, 278,554.80 and 96,999.20 is: 145,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,645.60 : 278,554.80 = 96,999.20 : x
  2. Step 2: Convert to fraction form
    185,645.60/278,554.80 = 96,999.20/x
  3. Step 3: Cross multiply
    185,645.60x = 278,554.80 × 96,999.20
  4. Step 4: Simplify right side
    185,645.60x = 27,019,592,756.16
  5. Step 5: Solve for x
    x = 27,019,592,756.16/185,645.60
  6. Step 6: Final answer
    x = 145,543.94

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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.