Home / 231,973.20-347,700.60-98,830.80

Finding the Fourth Proportional to 231,973.20, 347,700.60 and 98,830.80

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Solution

The fourth proportional to 231,973.20, 347,700.60 and 98,830.80 is: 148,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,973.20 : 347,700.60 = 98,830.80 : x
  2. Step 2: Convert to fraction form
    231,973.20/347,700.60 = 98,830.80/x
  3. Step 3: Cross multiply
    231,973.20x = 347,700.60 × 98,830.80
  4. Step 4: Simplify right side
    231,973.20x = 34,363,528,458.48
  5. Step 5: Solve for x
    x = 34,363,528,458.48/231,973.20
  6. Step 6: Final answer
    x = 148,135.77

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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.