Home / 219,777.36-329,665.74-79,503.12

Finding the Fourth Proportional to 219,777.36, 329,665.74 and 79,503.12

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Solution

The fourth proportional to 219,777.36, 329,665.74 and 79,503.12 is: 119,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,777.36 : 329,665.74 = 79,503.12 : x
  2. Step 2: Convert to fraction form
    219,777.36/329,665.74 = 79,503.12/x
  3. Step 3: Cross multiply
    219,777.36x = 329,665.74 × 79,503.12
  4. Step 4: Simplify right side
    219,777.36x = 26,209,454,887.11
  5. Step 5: Solve for x
    x = 26,209,454,887.11/219,777.36
  6. Step 6: Final answer
    x = 119,254.57

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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.