Home / 211,437.36-291,787.56-115,938.36

Finding the Fourth Proportional to 211,437.36, 291,787.56 and 115,938.36

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Solution

The fourth proportional to 211,437.36, 291,787.56 and 115,938.36 is: 159,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,437.36 : 291,787.56 = 115,938.36 : x
  2. Step 2: Convert to fraction form
    211,437.36/291,787.56 = 115,938.36/x
  3. Step 3: Cross multiply
    211,437.36x = 291,787.56 × 115,938.36
  4. Step 4: Simplify right side
    211,437.36x = 33,829,371,174.80
  5. Step 5: Solve for x
    x = 33,829,371,174.80/211,437.36
  6. Step 6: Final answer
    x = 159,997.13

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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.