Home / 156,060.84-233,992.56-85,989.36

Finding the Fourth Proportional to 156,060.84, 233,992.56 and 85,989.36

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Solution

The fourth proportional to 156,060.84, 233,992.56 and 85,989.36 is: 128,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,060.84 : 233,992.56 = 85,989.36 : x
  2. Step 2: Convert to fraction form
    156,060.84/233,992.56 = 85,989.36/x
  3. Step 3: Cross multiply
    156,060.84x = 233,992.56 × 85,989.36
  4. Step 4: Simplify right side
    156,060.84x = 20,120,870,479.16
  5. Step 5: Solve for x
    x = 20,120,870,479.16/156,060.84
  6. Step 6: Final answer
    x = 128,929.66

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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.