Home / 159,110.40-238,507.90-74,719.48

Finding the Fourth Proportional to 159,110.40, 238,507.90 and 74,719.48

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Solution

The fourth proportional to 159,110.40, 238,507.90 and 74,719.48 is: 112,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,110.40 : 238,507.90 = 74,719.48 : x
  2. Step 2: Convert to fraction form
    159,110.40/238,507.90 = 74,719.48/x
  3. Step 3: Cross multiply
    159,110.40x = 238,507.90 × 74,719.48
  4. Step 4: Simplify right side
    159,110.40x = 17,821,186,263.89
  5. Step 5: Solve for x
    x = 17,821,186,263.89/159,110.40
  6. Step 6: Final answer
    x = 112,005.16

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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.