Home / 117,872.01-162,853.74-82,221.18

Finding the Fourth Proportional to 117,872.01, 162,853.74 and 82,221.18

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Solution

The fourth proportional to 117,872.01, 162,853.74 and 82,221.18 is: 113,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,872.01 : 162,853.74 = 82,221.18 : x
  2. Step 2: Convert to fraction form
    117,872.01/162,853.74 = 82,221.18/x
  3. Step 3: Cross multiply
    117,872.01x = 162,853.74 × 82,221.18
  4. Step 4: Simplify right side
    117,872.01x = 13,390,026,059.51
  5. Step 5: Solve for x
    x = 13,390,026,059.51/117,872.01
  6. Step 6: Final answer
    x = 113,598.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.