Home / 211,910.72-292,436.91-116,423.57

Finding the Fourth Proportional to 211,910.72, 292,436.91 and 116,423.57

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Solution

The fourth proportional to 211,910.72, 292,436.91 and 116,423.57 is: 160,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,910.72 : 292,436.91 = 116,423.57 : x
  2. Step 2: Convert to fraction form
    211,910.72/292,436.91 = 116,423.57/x
  3. Step 3: Cross multiply
    211,910.72x = 292,436.91 × 116,423.57
  4. Step 4: Simplify right side
    211,910.72x = 34,046,547,599.78
  5. Step 5: Solve for x
    x = 34,046,547,599.78/211,910.72
  6. Step 6: Final answer
    x = 160,664.58

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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.