Home / 218,675.80-328,167.30-94,106.20

Finding the Fourth Proportional to 218,675.80, 328,167.30 and 94,106.20

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Solution

The fourth proportional to 218,675.80, 328,167.30 and 94,106.20 is: 141,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,675.80 : 328,167.30 = 94,106.20 : x
  2. Step 2: Convert to fraction form
    218,675.80/328,167.30 = 94,106.20/x
  3. Step 3: Cross multiply
    218,675.80x = 328,167.30 × 94,106.20
  4. Step 4: Simplify right side
    218,675.80x = 30,882,577,567.26
  5. Step 5: Solve for x
    x = 30,882,577,567.26/218,675.80
  6. Step 6: Final answer
    x = 141,225.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.