Home / 171,607.36-236,808.48-99,999.04

Finding the Fourth Proportional to 171,607.36, 236,808.48 and 99,999.04

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Solution

The fourth proportional to 171,607.36, 236,808.48 and 99,999.04 is: 137,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607.36 : 236,808.48 = 99,999.04 : x
  2. Step 2: Convert to fraction form
    171,607.36/236,808.48 = 99,999.04/x
  3. Step 3: Cross multiply
    171,607.36x = 236,808.48 × 99,999.04
  4. Step 4: Simplify right side
    171,607.36x = 23,680,620,663.86
  5. Step 5: Solve for x
    x = 23,680,620,663.86/171,607.36
  6. Step 6: Final answer
    x = 137,993.04

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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.