Home / 109,432.30-164,148.45-56,944.30

Finding the Fourth Proportional to 109,432.30, 164,148.45 and 56,944.30

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Solution

The fourth proportional to 109,432.30, 164,148.45 and 56,944.30 is: 85,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,432.30 : 164,148.45 = 56,944.30 : x
  2. Step 2: Convert to fraction form
    109,432.30/164,148.45 = 56,944.30/x
  3. Step 3: Cross multiply
    109,432.30x = 164,148.45 × 56,944.30
  4. Step 4: Simplify right side
    109,432.30x = 9,347,318,581.34
  5. Step 5: Solve for x
    x = 9,347,318,581.34/109,432.30
  6. Step 6: Final answer
    x = 85,416.45

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1.5x scale

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.