Home / 141,555.42-212,406.93-57,377.79

Finding the Fourth Proportional to 141,555.42, 212,406.93 and 57,377.79

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Solution

The fourth proportional to 141,555.42, 212,406.93 and 57,377.79 is: 86,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,555.42 : 212,406.93 = 57,377.79 : x
  2. Step 2: Convert to fraction form
    141,555.42/212,406.93 = 57,377.79/x
  3. Step 3: Cross multiply
    141,555.42x = 212,406.93 × 57,377.79
  4. Step 4: Simplify right side
    141,555.42x = 12,187,440,224.08
  5. Step 5: Solve for x
    x = 12,187,440,224.08/141,555.42
  6. Step 6: Final answer
    x = 86,096.60

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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.