Home / 250,147.26-344,970-231,569.91

Finding the Fourth Proportional to 250,147.26, 344,970 and 231,569.91

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Solution

The fourth proportional to 250,147.26, 344,970 and 231,569.91 is: 319,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,147.26 : 344,970 = 231,569.91 : x
  2. Step 2: Convert to fraction form
    250,147.26/344,970 = 231,569.91/x
  3. Step 3: Cross multiply
    250,147.26x = 344,970 × 231,569.91
  4. Step 4: Simplify right side
    250,147.26x = 79,884,671,852.70
  5. Step 5: Solve for x
    x = 79,884,671,852.70/250,147.26
  6. Step 6: Final answer
    x = 319,350.58

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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.