Home / 212,123.88-292,728.33-116,629.74

Finding the Fourth Proportional to 212,123.88, 292,728.33 and 116,629.74

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Solution

The fourth proportional to 212,123.88, 292,728.33 and 116,629.74 is: 160,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,123.88 : 292,728.33 = 116,629.74 : x
  2. Step 2: Convert to fraction form
    212,123.88/292,728.33 = 116,629.74/x
  3. Step 3: Cross multiply
    212,123.88x = 292,728.33 × 116,629.74
  4. Step 4: Simplify right side
    212,123.88x = 34,140,829,018.53
  5. Step 5: Solve for x
    x = 34,140,829,018.53/212,123.88
  6. Step 6: Final answer
    x = 160,947.60

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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.