Home / 331,545.96-457,534.44-188,307.18

Finding the Fourth Proportional to 331,545.96, 457,534.44 and 188,307.18

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Solution

The fourth proportional to 331,545.96, 457,534.44 and 188,307.18 is: 259,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,545.96 : 457,534.44 = 188,307.18 : x
  2. Step 2: Convert to fraction form
    331,545.96/457,534.44 = 188,307.18/x
  3. Step 3: Cross multiply
    331,545.96x = 457,534.44 × 188,307.18
  4. Step 4: Simplify right side
    331,545.96x = 86,157,020,149.28
  5. Step 5: Solve for x
    x = 86,157,020,149.28/331,545.96
  6. Step 6: Final answer
    x = 259,864.49

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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.