Home / 105,432.60-157,973.94-74,202.24

Finding the Fourth Proportional to 105,432.60, 157,973.94 and 74,202.24

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Solution

The fourth proportional to 105,432.60, 157,973.94 and 74,202.24 is: 111,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,432.60 : 157,973.94 = 74,202.24 : x
  2. Step 2: Convert to fraction form
    105,432.60/157,973.94 = 74,202.24/x
  3. Step 3: Cross multiply
    105,432.60x = 157,973.94 × 74,202.24
  4. Step 4: Simplify right side
    105,432.60x = 11,722,020,209.63
  5. Step 5: Solve for x
    x = 11,722,020,209.63/105,432.60
  6. Step 6: Final answer
    x = 111,180.23

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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.