Home / 117,852.76-162,637.23-64,138.42

Finding the Fourth Proportional to 117,852.76, 162,637.23 and 64,138.42

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Solution

The fourth proportional to 117,852.76, 162,637.23 and 64,138.42 is: 88,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,852.76 : 162,637.23 = 64,138.42 : x
  2. Step 2: Convert to fraction form
    117,852.76/162,637.23 = 64,138.42/x
  3. Step 3: Cross multiply
    117,852.76x = 162,637.23 × 64,138.42
  4. Step 4: Simplify right side
    117,852.76x = 10,431,294,965.38
  5. Step 5: Solve for x
    x = 10,431,294,965.38/117,852.76
  6. Step 6: Final answer
    x = 88,511.25

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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.