Home / 141,359.22-212,038.92-66,424.38

Finding the Fourth Proportional to 141,359.22, 212,038.92 and 66,424.38

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Solution

The fourth proportional to 141,359.22, 212,038.92 and 66,424.38 is: 99,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,359.22 : 212,038.92 = 66,424.38 : x
  2. Step 2: Convert to fraction form
    141,359.22/212,038.92 = 66,424.38/x
  3. Step 3: Cross multiply
    141,359.22x = 212,038.92 × 66,424.38
  4. Step 4: Simplify right side
    141,359.22x = 14,084,553,796.87
  5. Step 5: Solve for x
    x = 14,084,553,796.87/141,359.22
  6. Step 6: Final answer
    x = 99,636.61

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1.5x scale

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.