Home / 283,729.51-391,547.27-154,669.04

Finding the Fourth Proportional to 283,729.51, 391,547.27 and 154,669.04

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Solution

The fourth proportional to 283,729.51, 391,547.27 and 154,669.04 is: 213,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,729.51 : 391,547.27 = 154,669.04 : x
  2. Step 2: Convert to fraction form
    283,729.51/391,547.27 = 154,669.04/x
  3. Step 3: Cross multiply
    283,729.51x = 391,547.27 × 154,669.04
  4. Step 4: Simplify right side
    283,729.51x = 60,560,240,365.52
  5. Step 5: Solve for x
    x = 60,560,240,365.52/283,729.51
  6. Step 6: Final answer
    x = 213,443.57

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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.