Home / 134,718.34-185,915.79-73,467.88

Finding the Fourth Proportional to 134,718.34, 185,915.79 and 73,467.88

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Solution

The fourth proportional to 134,718.34, 185,915.79 and 73,467.88 is: 101,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,718.34 : 185,915.79 = 73,467.88 : x
  2. Step 2: Convert to fraction form
    134,718.34/185,915.79 = 73,467.88/x
  3. Step 3: Cross multiply
    134,718.34x = 185,915.79 × 73,467.88
  4. Step 4: Simplify right side
    134,718.34x = 13,658,838,949.83
  5. Step 5: Solve for x
    x = 13,658,838,949.83/134,718.34
  6. Step 6: Final answer
    x = 101,388.12

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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.