Home / 159,999.53-220,800.06-87,403.38

Finding the Fourth Proportional to 159,999.53, 220,800.06 and 87,403.38

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Solution

The fourth proportional to 159,999.53, 220,800.06 and 87,403.38 is: 120,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,999.53 : 220,800.06 = 87,403.38 : x
  2. Step 2: Convert to fraction form
    159,999.53/220,800.06 = 87,403.38/x
  3. Step 3: Cross multiply
    159,999.53x = 220,800.06 × 87,403.38
  4. Step 4: Simplify right side
    159,999.53x = 19,298,671,548.20
  5. Step 5: Solve for x
    x = 19,298,671,548.20/159,999.53
  6. Step 6: Final answer
    x = 120,617.06

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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.