Home / 212,960.22-293,916.92-136,565.57

Finding the Fourth Proportional to 212,960.22, 293,916.92 and 136,565.57

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Solution

The fourth proportional to 212,960.22, 293,916.92 and 136,565.57 is: 188,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,960.22 : 293,916.92 = 136,565.57 : x
  2. Step 2: Convert to fraction form
    212,960.22/293,916.92 = 136,565.57/x
  3. Step 3: Cross multiply
    212,960.22x = 293,916.92 × 136,565.57
  4. Step 4: Simplify right side
    212,960.22x = 40,138,931,764.41
  5. Step 5: Solve for x
    x = 40,138,931,764.41/212,960.22
  6. Step 6: Final answer
    x = 188,480.89

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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.