Home / 112,264.11-168,412.64-40,211.55

Finding the Fourth Proportional to 112,264.11, 168,412.64 and 40,211.55

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Solution

The fourth proportional to 112,264.11, 168,412.64 and 40,211.55 is: 60,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.11 : 168,412.64 = 40,211.55 : x
  2. Step 2: Convert to fraction form
    112,264.11/168,412.64 = 40,211.55/x
  3. Step 3: Cross multiply
    112,264.11x = 168,412.64 × 40,211.55
  4. Step 4: Simplify right side
    112,264.11x = 6,772,133,092.93
  5. Step 5: Solve for x
    x = 6,772,133,092.93/112,264.11
  6. Step 6: Final answer
    x = 60,323.22

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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.