Home / 238,433.72-328,901.66-148,854.20

Finding the Fourth Proportional to 238,433.72, 328,901.66 and 148,854.20

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Solution

The fourth proportional to 238,433.72, 328,901.66 and 148,854.20 is: 205,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,433.72 : 328,901.66 = 148,854.20 : x
  2. Step 2: Convert to fraction form
    238,433.72/328,901.66 = 148,854.20/x
  3. Step 3: Cross multiply
    238,433.72x = 328,901.66 × 148,854.20
  4. Step 4: Simplify right side
    238,433.72x = 48,958,391,089.19
  5. Step 5: Solve for x
    x = 48,958,391,089.19/238,433.72
  6. Step 6: Final answer
    x = 205,333.34

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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.