Home / 141,281.91-211,715.51-71,064.63

Finding the Fourth Proportional to 141,281.91, 211,715.51 and 71,064.63

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Solution

The fourth proportional to 141,281.91, 211,715.51 and 71,064.63 is: 106,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,281.91 : 211,715.51 = 71,064.63 : x
  2. Step 2: Convert to fraction form
    141,281.91/211,715.51 = 71,064.63/x
  3. Step 3: Cross multiply
    141,281.91x = 211,715.51 × 71,064.63
  4. Step 4: Simplify right side
    141,281.91x = 15,045,484,028.09
  5. Step 5: Solve for x
    x = 15,045,484,028.09/141,281.91
  6. Step 6: Final answer
    x = 106,492.64

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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.