Home / 115,423.40-173,099.10-45,324.20

Finding the Fourth Proportional to 115,423.40, 173,099.10 and 45,324.20

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Solution

The fourth proportional to 115,423.40, 173,099.10 and 45,324.20 is: 67,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,423.40 : 173,099.10 = 45,324.20 : x
  2. Step 2: Convert to fraction form
    115,423.40/173,099.10 = 45,324.20/x
  3. Step 3: Cross multiply
    115,423.40x = 173,099.10 × 45,324.20
  4. Step 4: Simplify right side
    115,423.40x = 7,845,578,228.22
  5. Step 5: Solve for x
    x = 7,845,578,228.22/115,423.40
  6. Step 6: Final answer
    x = 67,972.16

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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.