Home / 134,669.46-185,823.48-76,522.68

Finding the Fourth Proportional to 134,669.46, 185,823.48 and 76,522.68

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Solution

The fourth proportional to 134,669.46, 185,823.48 and 76,522.68 is: 105,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,669.46 : 185,823.48 = 76,522.68 : x
  2. Step 2: Convert to fraction form
    134,669.46/185,823.48 = 76,522.68/x
  3. Step 3: Cross multiply
    134,669.46x = 185,823.48 × 76,522.68
  4. Step 4: Simplify right side
    134,669.46x = 14,219,710,696.53
  5. Step 5: Solve for x
    x = 14,219,710,696.53/134,669.46
  6. Step 6: Final answer
    x = 105,589.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.