Home / 158,746.64-238,192.88-68,816.79

Finding the Fourth Proportional to 158,746.64, 238,192.88 and 68,816.79

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Solution

The fourth proportional to 158,746.64, 238,192.88 and 68,816.79 is: 103,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,746.64 : 238,192.88 = 68,816.79 : x
  2. Step 2: Convert to fraction form
    158,746.64/238,192.88 = 68,816.79/x
  3. Step 3: Cross multiply
    158,746.64x = 238,192.88 × 68,816.79
  4. Step 4: Simplify right side
    158,746.64x = 16,391,669,058.37
  5. Step 5: Solve for x
    x = 16,391,669,058.37/158,746.64
  6. Step 6: Final answer
    x = 103,256.80

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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.