Home / 283,333.19-391,008.40-156,013.34

Finding the Fourth Proportional to 283,333.19, 391,008.40 and 156,013.34

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Solution

The fourth proportional to 283,333.19, 391,008.40 and 156,013.34 is: 215,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,333.19 : 391,008.40 = 156,013.34 : x
  2. Step 2: Convert to fraction form
    283,333.19/391,008.40 = 156,013.34/x
  3. Step 3: Cross multiply
    283,333.19x = 391,008.40 × 156,013.34
  4. Step 4: Simplify right side
    283,333.19x = 61,002,524,106.98
  5. Step 5: Solve for x
    x = 61,002,524,106.98/283,333.19
  6. Step 6: Final answer
    x = 215,303.14

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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.