Home / 153,584.94-211,959.54-85,623.92

Finding the Fourth Proportional to 153,584.94, 211,959.54 and 85,623.92

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Solution

The fourth proportional to 153,584.94, 211,959.54 and 85,623.92 is: 118,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,584.94 : 211,959.54 = 85,623.92 : x
  2. Step 2: Convert to fraction form
    153,584.94/211,959.54 = 85,623.92/x
  3. Step 3: Cross multiply
    153,584.94x = 211,959.54 × 85,623.92
  4. Step 4: Simplify right side
    153,584.94x = 18,148,805,636.40
  5. Step 5: Solve for x
    x = 18,148,805,636.40/153,584.94
  6. Step 6: Final answer
    x = 118,167.87

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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.