Home / 282,486.18-423,368.91-132,395.34

Finding the Fourth Proportional to 282,486.18, 423,368.91 and 132,395.34

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Solution

The fourth proportional to 282,486.18, 423,368.91 and 132,395.34 is: 198,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,486.18 : 423,368.91 = 132,395.34 : x
  2. Step 2: Convert to fraction form
    282,486.18/423,368.91 = 132,395.34/x
  3. Step 3: Cross multiply
    282,486.18x = 423,368.91 × 132,395.34
  4. Step 4: Simplify right side
    282,486.18x = 56,052,070,784.88
  5. Step 5: Solve for x
    x = 56,052,070,784.88/282,486.18
  6. Step 6: Final answer
    x = 198,424.12

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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.