Home / 141,554.79-212,025.92-66,562.56

Finding the Fourth Proportional to 141,554.79, 212,025.92 and 66,562.56

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Solution

The fourth proportional to 141,554.79, 212,025.92 and 66,562.56 is: 99,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,554.79 : 212,025.92 = 66,562.56 : x
  2. Step 2: Convert to fraction form
    141,554.79/212,025.92 = 66,562.56/x
  3. Step 3: Cross multiply
    141,554.79x = 212,025.92 × 66,562.56
  4. Step 4: Simplify right side
    141,554.79x = 14,112,987,688.74
  5. Step 5: Solve for x
    x = 14,112,987,688.74/141,554.79
  6. Step 6: Final answer
    x = 99,699.82

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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.