Home / 109,409.11-163,829.68-93,714.82

Finding the Fourth Proportional to 109,409.11, 163,829.68 and 93,714.82

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Solution

The fourth proportional to 109,409.11, 163,829.68 and 93,714.82 is: 140,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,409.11 : 163,829.68 = 93,714.82 : x
  2. Step 2: Convert to fraction form
    109,409.11/163,829.68 = 93,714.82/x
  3. Step 3: Cross multiply
    109,409.11x = 163,829.68 × 93,714.82
  4. Step 4: Simplify right side
    109,409.11x = 15,353,268,971.86
  5. Step 5: Solve for x
    x = 15,353,268,971.86/109,409.11
  6. Step 6: Final answer
    x = 140,328.98

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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.