Home / 141,222.68-211,731.45-66,304.28

Finding the Fourth Proportional to 141,222.68, 211,731.45 and 66,304.28

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Solution

The fourth proportional to 141,222.68, 211,731.45 and 66,304.28 is: 99,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,222.68 : 211,731.45 = 66,304.28 : x
  2. Step 2: Convert to fraction form
    141,222.68/211,731.45 = 66,304.28/x
  3. Step 3: Cross multiply
    141,222.68x = 211,731.45 × 66,304.28
  4. Step 4: Simplify right side
    141,222.68x = 14,038,701,345.61
  5. Step 5: Solve for x
    x = 14,038,701,345.61/141,222.68
  6. Step 6: Final answer
    x = 99,408.26

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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.