Home / 198,051.08-297,097.47-57,810.11

Finding the Fourth Proportional to 198,051.08, 297,097.47 and 57,810.11

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Solution

The fourth proportional to 198,051.08, 297,097.47 and 57,810.11 is: 86,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,051.08 : 297,097.47 = 57,810.11 : x
  2. Step 2: Convert to fraction form
    198,051.08/297,097.47 = 57,810.11/x
  3. Step 3: Cross multiply
    198,051.08x = 297,097.47 × 57,810.11
  4. Step 4: Simplify right side
    198,051.08x = 17,175,235,935.93
  5. Step 5: Solve for x
    x = 17,175,235,935.93/198,051.08
  6. Step 6: Final answer
    x = 86,721.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.