Home / 141,536.16-212,435.46-71,464.68

Finding the Fourth Proportional to 141,536.16, 212,435.46 and 71,464.68

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Solution

The fourth proportional to 141,536.16, 212,435.46 and 71,464.68 is: 107,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,536.16 : 212,435.46 = 71,464.68 : x
  2. Step 2: Convert to fraction form
    141,536.16/212,435.46 = 71,464.68/x
  3. Step 3: Cross multiply
    141,536.16x = 212,435.46 × 71,464.68
  4. Step 4: Simplify right side
    141,536.16x = 15,181,632,169.55
  5. Step 5: Solve for x
    x = 15,181,632,169.55/141,536.16
  6. Step 6: Final answer
    x = 107,263.28

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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.