Home / 112,381.14-168,511.80-49,127.22

Finding the Fourth Proportional to 112,381.14, 168,511.80 and 49,127.22

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Solution

The fourth proportional to 112,381.14, 168,511.80 and 49,127.22 is: 73,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381.14 : 168,511.80 = 49,127.22 : x
  2. Step 2: Convert to fraction form
    112,381.14/168,511.80 = 49,127.22/x
  3. Step 3: Cross multiply
    112,381.14x = 168,511.80 × 49,127.22
  4. Step 4: Simplify right side
    112,381.14x = 8,278,516,271.20
  5. Step 5: Solve for x
    x = 8,278,516,271.20/112,381.14
  6. Step 6: Final answer
    x = 73,664.64

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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.