Home / 109,432.60-164,148.90-89,733.40

Finding the Fourth Proportional to 109,432.60, 164,148.90 and 89,733.40

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Solution

The fourth proportional to 109,432.60, 164,148.90 and 89,733.40 is: 134,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,432.60 : 164,148.90 = 89,733.40 : x
  2. Step 2: Convert to fraction form
    109,432.60/164,148.90 = 89,733.40/x
  3. Step 3: Cross multiply
    109,432.60x = 164,148.90 × 89,733.40
  4. Step 4: Simplify right side
    109,432.60x = 14,729,638,903.26
  5. Step 5: Solve for x
    x = 14,729,638,903.26/109,432.60
  6. Step 6: Final answer
    x = 134,600.10

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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.