Home / 74,130.14-111,194.24-17,970.76

Finding the Fourth Proportional to 74,130.14, 111,194.24 and 17,970.76

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Solution

The fourth proportional to 74,130.14, 111,194.24 and 17,970.76 is: 26,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.14 : 111,194.24 = 17,970.76 : x
  2. Step 2: Convert to fraction form
    74,130.14/111,194.24 = 17,970.76/x
  3. Step 3: Cross multiply
    74,130.14x = 111,194.24 × 17,970.76
  4. Step 4: Simplify right side
    74,130.14x = 1,998,244,354.60
  5. Step 5: Solve for x
    x = 1,998,244,354.60/74,130.14
  6. Step 6: Final answer
    x = 26,955.90

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1.5x scale

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.