Home / 158,964.44-219,374.88-86,367.35

Finding the Fourth Proportional to 158,964.44, 219,374.88 and 86,367.35

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Solution

The fourth proportional to 158,964.44, 219,374.88 and 86,367.35 is: 119,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,964.44 : 219,374.88 = 86,367.35 : x
  2. Step 2: Convert to fraction form
    158,964.44/219,374.88 = 86,367.35/x
  3. Step 3: Cross multiply
    158,964.44x = 219,374.88 × 86,367.35
  4. Step 4: Simplify right side
    158,964.44x = 18,946,827,877.24
  5. Step 5: Solve for x
    x = 18,946,827,877.24/158,964.44
  6. Step 6: Final answer
    x = 119,189.10

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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.