Home / 160,337.03-221,261.63-87,739.59

Finding the Fourth Proportional to 160,337.03, 221,261.63 and 87,739.59

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Solution

The fourth proportional to 160,337.03, 221,261.63 and 87,739.59 is: 121,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,337.03 : 221,261.63 = 87,739.59 : x
  2. Step 2: Convert to fraction form
    160,337.03/221,261.63 = 87,739.59/x
  3. Step 3: Cross multiply
    160,337.03x = 221,261.63 × 87,739.59
  4. Step 4: Simplify right side
    160,337.03x = 19,413,404,260.23
  5. Step 5: Solve for x
    x = 19,413,404,260.23/160,337.03
  6. Step 6: Final answer
    x = 121,078.74

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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.