Home / 272,815.36-376,502.40-153,591.04

Finding the Fourth Proportional to 272,815.36, 376,502.40 and 153,591.04

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Solution

The fourth proportional to 272,815.36, 376,502.40 and 153,591.04 is: 211,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,815.36 : 376,502.40 = 153,591.04 : x
  2. Step 2: Convert to fraction form
    272,815.36/376,502.40 = 153,591.04/x
  3. Step 3: Cross multiply
    272,815.36x = 376,502.40 × 153,591.04
  4. Step 4: Simplify right side
    272,815.36x = 57,827,395,178.50
  5. Step 5: Solve for x
    x = 57,827,395,178.50/272,815.36
  6. Step 6: Final answer
    x = 211,965.32

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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.