Home / 212,043.78-292,621.05-116,560.26

Finding the Fourth Proportional to 212,043.78, 292,621.05 and 116,560.26

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Solution

The fourth proportional to 212,043.78, 292,621.05 and 116,560.26 is: 160,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,043.78 : 292,621.05 = 116,560.26 : x
  2. Step 2: Convert to fraction form
    212,043.78/292,621.05 = 116,560.26/x
  3. Step 3: Cross multiply
    212,043.78x = 292,621.05 × 116,560.26
  4. Step 4: Simplify right side
    212,043.78x = 34,107,985,669.47
  5. Step 5: Solve for x
    x = 34,107,985,669.47/212,043.78
  6. Step 6: Final answer
    x = 160,853.51

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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.