Home / 158,719.38-238,051.53-52,101.78

Finding the Fourth Proportional to 158,719.38, 238,051.53 and 52,101.78

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Solution

The fourth proportional to 158,719.38, 238,051.53 and 52,101.78 is: 78,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,719.38 : 238,051.53 = 52,101.78 : x
  2. Step 2: Convert to fraction form
    158,719.38/238,051.53 = 52,101.78/x
  3. Step 3: Cross multiply
    158,719.38x = 238,051.53 × 52,101.78
  4. Step 4: Simplify right side
    158,719.38x = 12,402,908,444.72
  5. Step 5: Solve for x
    x = 12,402,908,444.72/158,719.38
  6. Step 6: Final answer
    x = 78,143.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.