Home / 282,442.03-423,661.62-132,681.53

Finding the Fourth Proportional to 282,442.03, 423,661.62 and 132,681.53

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Solution

The fourth proportional to 282,442.03, 423,661.62 and 132,681.53 is: 199,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,442.03 : 423,661.62 = 132,681.53 : x
  2. Step 2: Convert to fraction form
    282,442.03/423,661.62 = 132,681.53/x
  3. Step 3: Cross multiply
    282,442.03x = 423,661.62 × 132,681.53
  4. Step 4: Simplify right side
    282,442.03x = 56,212,071,943.88
  5. Step 5: Solve for x
    x = 56,212,071,943.88/282,442.03
  6. Step 6: Final answer
    x = 199,021.63

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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.