Home / 345,045.61-476,561.48-230,124.57

Finding the Fourth Proportional to 345,045.61, 476,561.48 and 230,124.57

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Solution

The fourth proportional to 345,045.61, 476,561.48 and 230,124.57 is: 317,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,045.61 : 476,561.48 = 230,124.57 : x
  2. Step 2: Convert to fraction form
    345,045.61/476,561.48 = 230,124.57/x
  3. Step 3: Cross multiply
    345,045.61x = 476,561.48 × 230,124.57
  4. Step 4: Simplify right side
    345,045.61x = 109,668,505,522.42
  5. Step 5: Solve for x
    x = 109,668,505,522.42/345,045.61
  6. Step 6: Final answer
    x = 317,837.71

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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.