Home / 141,246.72-211,868.64-42,750.72

Finding the Fourth Proportional to 141,246.72, 211,868.64 and 42,750.72

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Solution

The fourth proportional to 141,246.72, 211,868.64 and 42,750.72 is: 64,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,246.72 : 211,868.64 = 42,750.72 : x
  2. Step 2: Convert to fraction form
    141,246.72/211,868.64 = 42,750.72/x
  3. Step 3: Cross multiply
    141,246.72x = 211,868.64 × 42,750.72
  4. Step 4: Simplify right side
    141,246.72x = 9,057,536,905.42
  5. Step 5: Solve for x
    x = 9,057,536,905.42/141,246.72
  6. Step 6: Final answer
    x = 64,125.64

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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.