Home / 129,216.16-193,801.44-59,078.72

Finding the Fourth Proportional to 129,216.16, 193,801.44 and 59,078.72

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Solution

The fourth proportional to 129,216.16, 193,801.44 and 59,078.72 is: 88,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,216.16 : 193,801.44 = 59,078.72 : x
  2. Step 2: Convert to fraction form
    129,216.16/193,801.44 = 59,078.72/x
  3. Step 3: Cross multiply
    129,216.16x = 193,801.44 × 59,078.72
  4. Step 4: Simplify right side
    129,216.16x = 11,449,541,009.36
  5. Step 5: Solve for x
    x = 11,449,541,009.36/129,216.16
  6. Step 6: Final answer
    x = 88,607.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.