Home / 345,147.16-476,450.05-232,035.52

Finding the Fourth Proportional to 345,147.16, 476,450.05 and 232,035.52

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Solution

The fourth proportional to 345,147.16, 476,450.05 and 232,035.52 is: 320,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,147.16 : 476,450.05 = 232,035.52 : x
  2. Step 2: Convert to fraction form
    345,147.16/476,450.05 = 232,035.52/x
  3. Step 3: Cross multiply
    345,147.16x = 476,450.05 × 232,035.52
  4. Step 4: Simplify right side
    345,147.16x = 110,553,335,105.78
  5. Step 5: Solve for x
    x = 110,553,335,105.78/345,147.16
  6. Step 6: Final answer
    x = 320,307.82

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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.