Home / 134,719.01-185,835.06-84,330.53

Finding the Fourth Proportional to 134,719.01, 185,835.06 and 84,330.53

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Solution

The fourth proportional to 134,719.01, 185,835.06 and 84,330.53 is: 116,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.01 : 185,835.06 = 84,330.53 : x
  2. Step 2: Convert to fraction form
    134,719.01/185,835.06 = 84,330.53/x
  3. Step 3: Cross multiply
    134,719.01x = 185,835.06 × 84,330.53
  4. Step 4: Simplify right side
    134,719.01x = 15,671,569,102.38
  5. Step 5: Solve for x
    x = 15,671,569,102.38/134,719.01
  6. Step 6: Final answer
    x = 116,327.82

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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.