Home / 282,437.86-423,660.28-82,762.34

Finding the Fourth Proportional to 282,437.86, 423,660.28 and 82,762.34

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Solution

The fourth proportional to 282,437.86, 423,660.28 and 82,762.34 is: 124,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,437.86 : 423,660.28 = 82,762.34 : x
  2. Step 2: Convert to fraction form
    282,437.86/423,660.28 = 82,762.34/x
  3. Step 3: Cross multiply
    282,437.86x = 423,660.28 × 82,762.34
  4. Step 4: Simplify right side
    282,437.86x = 35,063,116,137.86
  5. Step 5: Solve for x
    x = 35,063,116,137.86/282,437.86
  6. Step 6: Final answer
    x = 124,144.53

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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.