Home / 212,158.68-292,780.02-116,671.56

Finding the Fourth Proportional to 212,158.68, 292,780.02 and 116,671.56

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Solution

The fourth proportional to 212,158.68, 292,780.02 and 116,671.56 is: 161,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,158.68 : 292,780.02 = 116,671.56 : x
  2. Step 2: Convert to fraction form
    212,158.68/292,780.02 = 116,671.56/x
  3. Step 3: Cross multiply
    212,158.68x = 292,780.02 × 116,671.56
  4. Step 4: Simplify right side
    212,158.68x = 34,159,101,670.23
  5. Step 5: Solve for x
    x = 34,159,101,670.23/212,158.68
  6. Step 6: Final answer
    x = 161,007.33

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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.