Home / 313,559.04-432,545.63-198,634.96

Finding the Fourth Proportional to 313,559.04, 432,545.63 and 198,634.96

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Solution

The fourth proportional to 313,559.04, 432,545.63 and 198,634.96 is: 274,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,559.04 : 432,545.63 = 198,634.96 : x
  2. Step 2: Convert to fraction form
    313,559.04/432,545.63 = 198,634.96/x
  3. Step 3: Cross multiply
    313,559.04x = 432,545.63 × 198,634.96
  4. Step 4: Simplify right side
    313,559.04x = 85,918,681,838.69
  5. Step 5: Solve for x
    x = 85,918,681,838.69/313,559.04
  6. Step 6: Final answer
    x = 274,011.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.