Home / 141,220.52-211,830.06-66,340.27

Finding the Fourth Proportional to 141,220.52, 211,830.06 and 66,340.27

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Solution

The fourth proportional to 141,220.52, 211,830.06 and 66,340.27 is: 99,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,220.52 : 211,830.06 = 66,340.27 : x
  2. Step 2: Convert to fraction form
    141,220.52/211,830.06 = 66,340.27/x
  3. Step 3: Cross multiply
    141,220.52x = 211,830.06 × 66,340.27
  4. Step 4: Simplify right side
    141,220.52x = 14,052,862,315.37
  5. Step 5: Solve for x
    x = 14,052,862,315.37/141,220.52
  6. Step 6: Final answer
    x = 99,510.06

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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.