Home / 141,022.40-211,456.80-57,822.40

Finding the Fourth Proportional to 141,022.40, 211,456.80 and 57,822.40

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Solution

The fourth proportional to 141,022.40, 211,456.80 and 57,822.40 is: 86,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,022.40 : 211,456.80 = 57,822.40 : x
  2. Step 2: Convert to fraction form
    141,022.40/211,456.80 = 57,822.40/x
  3. Step 3: Cross multiply
    141,022.40x = 211,456.80 × 57,822.40
  4. Step 4: Simplify right side
    141,022.40x = 12,226,939,672.32
  5. Step 5: Solve for x
    x = 12,226,939,672.32/141,022.40
  6. Step 6: Final answer
    x = 86,702.11

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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.