Home / 212,735.16-293,574.60-115,938.36

Finding the Fourth Proportional to 212,735.16, 293,574.60 and 115,938.36

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Solution

The fourth proportional to 212,735.16, 293,574.60 and 115,938.36 is: 159,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,735.16 : 293,574.60 = 115,938.36 : x
  2. Step 2: Convert to fraction form
    212,735.16/293,574.60 = 115,938.36/x
  3. Step 3: Cross multiply
    212,735.16x = 293,574.60 × 115,938.36
  4. Step 4: Simplify right side
    212,735.16x = 34,036,557,661.66
  5. Step 5: Solve for x
    x = 34,036,557,661.66/212,735.16
  6. Step 6: Final answer
    x = 159,994.98

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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.