Home / 113,401.40-169,897.30-100,294.20

Finding the Fourth Proportional to 113,401.40, 169,897.30 and 100,294.20

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Solution

The fourth proportional to 113,401.40, 169,897.30 and 100,294.20 is: 150,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,401.40 : 169,897.30 = 100,294.20 : x
  2. Step 2: Convert to fraction form
    113,401.40/169,897.30 = 100,294.20/x
  3. Step 3: Cross multiply
    113,401.40x = 169,897.30 × 100,294.20
  4. Step 4: Simplify right side
    113,401.40x = 17,039,713,785.66
  5. Step 5: Solve for x
    x = 17,039,713,785.66/113,401.40
  6. Step 6: Final answer
    x = 150,260.17

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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.