Home / 105,256.20-157,910.22-74,152.20

Finding the Fourth Proportional to 105,256.20, 157,910.22 and 74,152.20

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Solution

The fourth proportional to 105,256.20, 157,910.22 and 74,152.20 is: 111,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,256.20 : 157,910.22 = 74,152.20 : x
  2. Step 2: Convert to fraction form
    105,256.20/157,910.22 = 74,152.20/x
  3. Step 3: Cross multiply
    105,256.20x = 157,910.22 × 74,152.20
  4. Step 4: Simplify right side
    105,256.20x = 11,709,390,215.48
  5. Step 5: Solve for x
    x = 11,709,390,215.48/105,256.20
  6. Step 6: Final answer
    x = 111,246.56

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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.