Home / 100,937.76-151,407.21-26,052.78

Finding the Fourth Proportional to 100,937.76, 151,407.21 and 26,052.78

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Solution

The fourth proportional to 100,937.76, 151,407.21 and 26,052.78 is: 39,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,937.76 : 151,407.21 = 26,052.78 : x
  2. Step 2: Convert to fraction form
    100,937.76/151,407.21 = 26,052.78/x
  3. Step 3: Cross multiply
    100,937.76x = 151,407.21 × 26,052.78
  4. Step 4: Simplify right side
    100,937.76x = 3,944,578,602.28
  5. Step 5: Solve for x
    x = 3,944,578,602.28/100,937.76
  6. Step 6: Final answer
    x = 39,079.32

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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.