Home / 70,784.15-106,176.22-18,193.68

Finding the Fourth Proportional to 70,784.15, 106,176.22 and 18,193.68

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Solution

The fourth proportional to 70,784.15, 106,176.22 and 18,193.68 is: 27,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,784.15 : 106,176.22 = 18,193.68 : x
  2. Step 2: Convert to fraction form
    70,784.15/106,176.22 = 18,193.68/x
  3. Step 3: Cross multiply
    70,784.15x = 106,176.22 × 18,193.68
  4. Step 4: Simplify right side
    70,784.15x = 1,931,736,124.81
  5. Step 5: Solve for x
    x = 1,931,736,124.81/70,784.15
  6. Step 6: Final answer
    x = 27,290.52

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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.