Home / 283,929.36-391,820.67-156,602.22

Finding the Fourth Proportional to 283,929.36, 391,820.67 and 156,602.22

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Solution

The fourth proportional to 283,929.36, 391,820.67 and 156,602.22 is: 216,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,929.36 : 391,820.67 = 156,602.22 : x
  2. Step 2: Convert to fraction form
    283,929.36/391,820.67 = 156,602.22/x
  3. Step 3: Cross multiply
    283,929.36x = 391,820.67 × 156,602.22
  4. Step 4: Simplify right side
    283,929.36x = 61,359,986,763.89
  5. Step 5: Solve for x
    x = 61,359,986,763.89/283,929.36
  6. Step 6: Final answer
    x = 216,110.04

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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.