Home / 272,811.36-376,496.88-153,587.04

Finding the Fourth Proportional to 272,811.36, 376,496.88 and 153,587.04

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Solution

The fourth proportional to 272,811.36, 376,496.88 and 153,587.04 is: 211,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,811.36 : 376,496.88 = 153,587.04 : x
  2. Step 2: Convert to fraction form
    272,811.36/376,496.88 = 153,587.04/x
  3. Step 3: Cross multiply
    272,811.36x = 376,496.88 × 153,587.04
  4. Step 4: Simplify right side
    272,811.36x = 57,825,041,368.44
  5. Step 5: Solve for x
    x = 57,825,041,368.44/272,811.36
  6. Step 6: Final answer
    x = 211,959.80

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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.