Home / 110,143.84-151,985.52-64,811.84

Finding the Fourth Proportional to 110,143.84, 151,985.52 and 64,811.84

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Solution

The fourth proportional to 110,143.84, 151,985.52 and 64,811.84 is: 89,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,143.84 : 151,985.52 = 64,811.84 : x
  2. Step 2: Convert to fraction form
    110,143.84/151,985.52 = 64,811.84/x
  3. Step 3: Cross multiply
    110,143.84x = 151,985.52 × 64,811.84
  4. Step 4: Simplify right side
    110,143.84x = 9,850,461,204.56
  5. Step 5: Solve for x
    x = 9,850,461,204.56/110,143.84
  6. Step 6: Final answer
    x = 89,432.70

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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.