Home / 141,926.87-212,931.39-42,089.46

Finding the Fourth Proportional to 141,926.87, 212,931.39 and 42,089.46

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Solution

The fourth proportional to 141,926.87, 212,931.39 and 42,089.46 is: 63,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,926.87 : 212,931.39 = 42,089.46 : x
  2. Step 2: Convert to fraction form
    141,926.87/212,931.39 = 42,089.46/x
  3. Step 3: Cross multiply
    141,926.87x = 212,931.39 × 42,089.46
  4. Step 4: Simplify right side
    141,926.87x = 8,962,167,992.78
  5. Step 5: Solve for x
    x = 8,962,167,992.78/141,926.87
  6. Step 6: Final answer
    x = 63,146.38

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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.