Home / 282,330.45-423,475.16-92,788.56

Finding the Fourth Proportional to 282,330.45, 423,475.16 and 92,788.56

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Solution

The fourth proportional to 282,330.45, 423,475.16 and 92,788.56 is: 139,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,330.45 : 423,475.16 = 92,788.56 : x
  2. Step 2: Convert to fraction form
    282,330.45/423,475.16 = 92,788.56/x
  3. Step 3: Cross multiply
    282,330.45x = 423,475.16 × 92,788.56
  4. Step 4: Simplify right side
    282,330.45x = 39,293,649,828.23
  5. Step 5: Solve for x
    x = 39,293,649,828.23/282,330.45
  6. Step 6: Final answer
    x = 139,176.10

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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.