Home / 104,938.52-144,810.95-57,190.85

Finding the Fourth Proportional to 104,938.52, 144,810.95 and 57,190.85

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Solution

The fourth proportional to 104,938.52, 144,810.95 and 57,190.85 is: 78,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.52 : 144,810.95 = 57,190.85 : x
  2. Step 2: Convert to fraction form
    104,938.52/144,810.95 = 57,190.85/x
  3. Step 3: Cross multiply
    104,938.52x = 144,810.95 × 57,190.85
  4. Step 4: Simplify right side
    104,938.52x = 8,281,860,309.80
  5. Step 5: Solve for x
    x = 8,281,860,309.80/104,938.52
  6. Step 6: Final answer
    x = 78,921.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.