Home / 238,421.40-328,884.67-148,841.88

Finding the Fourth Proportional to 238,421.40, 328,884.67 and 148,841.88

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Solution

The fourth proportional to 238,421.40, 328,884.67 and 148,841.88 is: 205,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,421.40 : 328,884.67 = 148,841.88 : x
  2. Step 2: Convert to fraction form
    238,421.40/328,884.67 = 148,841.88/x
  3. Step 3: Cross multiply
    238,421.40x = 328,884.67 × 148,841.88
  4. Step 4: Simplify right side
    238,421.40x = 48,951,812,585.98
  5. Step 5: Solve for x
    x = 48,951,812,585.98/238,421.40
  6. Step 6: Final answer
    x = 205,316.35

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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.