Home / 101,337.28-151,994.40-31,210.72

Finding the Fourth Proportional to 101,337.28, 151,994.40 and 31,210.72

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Solution

The fourth proportional to 101,337.28, 151,994.40 and 31,210.72 is: 46,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,337.28 : 151,994.40 = 31,210.72 : x
  2. Step 2: Convert to fraction form
    101,337.28/151,994.40 = 31,210.72/x
  3. Step 3: Cross multiply
    101,337.28x = 151,994.40 × 31,210.72
  4. Step 4: Simplify right side
    101,337.28x = 4,743,854,659.97
  5. Step 5: Solve for x
    x = 4,743,854,659.97/101,337.28
  6. Step 6: Final answer
    x = 46,812.53

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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.