Home / 283,744.07-391,569.42-156,424.22

Finding the Fourth Proportional to 283,744.07, 391,569.42 and 156,424.22

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Solution

The fourth proportional to 283,744.07, 391,569.42 and 156,424.22 is: 215,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,744.07 : 391,569.42 = 156,424.22 : x
  2. Step 2: Convert to fraction form
    283,744.07/391,569.42 = 156,424.22/x
  3. Step 3: Cross multiply
    283,744.07x = 391,569.42 × 156,424.22
  4. Step 4: Simplify right side
    283,744.07x = 61,250,939,141.51
  5. Step 5: Solve for x
    x = 61,250,939,141.51/283,744.07
  6. Step 6: Final answer
    x = 215,866.86

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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.