Home / 219,317.10-328,319.55-193,073.10

Finding the Fourth Proportional to 219,317.10, 328,319.55 and 193,073.10

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Solution

The fourth proportional to 219,317.10, 328,319.55 and 193,073.10 is: 289,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,317.10 : 328,319.55 = 193,073.10 : x
  2. Step 2: Convert to fraction form
    219,317.10/328,319.55 = 193,073.10/x
  3. Step 3: Cross multiply
    219,317.10x = 328,319.55 × 193,073.10
  4. Step 4: Simplify right side
    219,317.10x = 63,389,673,309.11
  5. Step 5: Solve for x
    x = 63,389,673,309.11/219,317.10
  6. Step 6: Final answer
    x = 289,032.06

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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.