Home / 112,054.40-167,851.20-77,033.60

Finding the Fourth Proportional to 112,054.40, 167,851.20 and 77,033.60

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Solution

The fourth proportional to 112,054.40, 167,851.20 and 77,033.60 is: 115,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,054.40 : 167,851.20 = 77,033.60 : x
  2. Step 2: Convert to fraction form
    112,054.40/167,851.20 = 77,033.60/x
  3. Step 3: Cross multiply
    112,054.40x = 167,851.20 × 77,033.60
  4. Step 4: Simplify right side
    112,054.40x = 12,930,182,200.32
  5. Step 5: Solve for x
    x = 12,930,182,200.32/112,054.40
  6. Step 6: Final answer
    x = 115,392.01

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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.