Home / 238,113.32-328,616.55-130,701.56

Finding the Fourth Proportional to 238,113.32, 328,616.55 and 130,701.56

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Solution

The fourth proportional to 238,113.32, 328,616.55 and 130,701.56 is: 180,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,113.32 : 328,616.55 = 130,701.56 : x
  2. Step 2: Convert to fraction form
    238,113.32/328,616.55 = 130,701.56/x
  3. Step 3: Cross multiply
    238,113.32x = 328,616.55 × 130,701.56
  4. Step 4: Simplify right side
    238,113.32x = 42,950,694,083.74
  5. Step 5: Solve for x
    x = 42,950,694,083.74/238,113.32
  6. Step 6: Final answer
    x = 180,379.22

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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.