Home / 141,521.76-212,297.49-70,462.02

Finding the Fourth Proportional to 141,521.76, 212,297.49 and 70,462.02

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Solution

The fourth proportional to 141,521.76, 212,297.49 and 70,462.02 is: 105,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.76 : 212,297.49 = 70,462.02 : x
  2. Step 2: Convert to fraction form
    141,521.76/212,297.49 = 70,462.02/x
  3. Step 3: Cross multiply
    141,521.76x = 212,297.49 × 70,462.02
  4. Step 4: Simplify right side
    141,521.76x = 14,958,909,986.33
  5. Step 5: Solve for x
    x = 14,958,909,986.33/141,521.76
  6. Step 6: Final answer
    x = 105,700.42

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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.