Home / 109,640.22-151,303.46-59,339.22

Finding the Fourth Proportional to 109,640.22, 151,303.46 and 59,339.22

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Solution

The fourth proportional to 109,640.22, 151,303.46 and 59,339.22 is: 81,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,640.22 : 151,303.46 = 59,339.22 : x
  2. Step 2: Convert to fraction form
    109,640.22/151,303.46 = 59,339.22/x
  3. Step 3: Cross multiply
    109,640.22x = 151,303.46 × 59,339.22
  4. Step 4: Simplify right side
    109,640.22x = 8,978,228,435.62
  5. Step 5: Solve for x
    x = 8,978,228,435.62/109,640.22
  6. Step 6: Final answer
    x = 81,888.09

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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.