Home / 171,120.83-236,109.80-99,464.18

Finding the Fourth Proportional to 171,120.83, 236,109.80 and 99,464.18

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Solution

The fourth proportional to 171,120.83, 236,109.80 and 99,464.18 is: 137,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,120.83 : 236,109.80 = 99,464.18 : x
  2. Step 2: Convert to fraction form
    171,120.83/236,109.80 = 99,464.18/x
  3. Step 3: Cross multiply
    171,120.83x = 236,109.80 × 99,464.18
  4. Step 4: Simplify right side
    171,120.83x = 23,484,466,715.08
  5. Step 5: Solve for x
    x = 23,484,466,715.08/171,120.83
  6. Step 6: Final answer
    x = 137,239.09

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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.