Home / 109,583.10-164,374.65-70,217.10

Finding the Fourth Proportional to 109,583.10, 164,374.65 and 70,217.10

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Solution

The fourth proportional to 109,583.10, 164,374.65 and 70,217.10 is: 105,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,583.10 : 164,374.65 = 70,217.10 : x
  2. Step 2: Convert to fraction form
    109,583.10/164,374.65 = 70,217.10/x
  3. Step 3: Cross multiply
    109,583.10x = 164,374.65 × 70,217.10
  4. Step 4: Simplify right side
    109,583.10x = 11,541,911,236.52
  5. Step 5: Solve for x
    x = 11,541,911,236.52/109,583.10
  6. Step 6: Final answer
    x = 105,325.65

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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.