Home / 158,953.36-238,491.18-70,144.12

Finding the Fourth Proportional to 158,953.36, 238,491.18 and 70,144.12

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Solution

The fourth proportional to 158,953.36, 238,491.18 and 70,144.12 is: 105,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,953.36 : 238,491.18 = 70,144.12 : x
  2. Step 2: Convert to fraction form
    158,953.36/238,491.18 = 70,144.12/x
  3. Step 3: Cross multiply
    158,953.36x = 238,491.18 × 70,144.12
  4. Step 4: Simplify right side
    158,953.36x = 16,728,753,948.86
  5. Step 5: Solve for x
    x = 16,728,753,948.86/158,953.36
  6. Step 6: Final answer
    x = 105,243.16

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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.