Home / 148,938.60-223,407.90-104,615.40

Finding the Fourth Proportional to 148,938.60, 223,407.90 and 104,615.40

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Solution

The fourth proportional to 148,938.60, 223,407.90 and 104,615.40 is: 156,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,938.60 : 223,407.90 = 104,615.40 : x
  2. Step 2: Convert to fraction form
    148,938.60/223,407.90 = 104,615.40/x
  3. Step 3: Cross multiply
    148,938.60x = 223,407.90 × 104,615.40
  4. Step 4: Simplify right side
    148,938.60x = 23,371,906,821.66
  5. Step 5: Solve for x
    x = 23,371,906,821.66/148,938.60
  6. Step 6: Final answer
    x = 156,923.10

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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.