Home / 216,176.24-324,251.51-66,417.98

Finding the Fourth Proportional to 216,176.24, 324,251.51 and 66,417.98

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Solution

The fourth proportional to 216,176.24, 324,251.51 and 66,417.98 is: 99,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,176.24 : 324,251.51 = 66,417.98 : x
  2. Step 2: Convert to fraction form
    216,176.24/324,251.51 = 66,417.98/x
  3. Step 3: Cross multiply
    216,176.24x = 324,251.51 × 66,417.98
  4. Step 4: Simplify right side
    216,176.24x = 21,536,128,352.80
  5. Step 5: Solve for x
    x = 21,536,128,352.80/216,176.24
  6. Step 6: Final answer
    x = 99,623.01

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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.