Home / 116,429.12-174,519.33-66,401.49

Finding the Fourth Proportional to 116,429.12, 174,519.33 and 66,401.49

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Solution

The fourth proportional to 116,429.12, 174,519.33 and 66,401.49 is: 99,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,429.12 : 174,519.33 = 66,401.49 : x
  2. Step 2: Convert to fraction form
    116,429.12/174,519.33 = 66,401.49/x
  3. Step 3: Cross multiply
    116,429.12x = 174,519.33 × 66,401.49
  4. Step 4: Simplify right side
    116,429.12x = 11,588,343,545.80
  5. Step 5: Solve for x
    x = 11,588,343,545.80/116,429.12
  6. Step 6: Final answer
    x = 99,531.32

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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.