Home / 141,347.70-212,021.55-125,601.30

Finding the Fourth Proportional to 141,347.70, 212,021.55 and 125,601.30

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Solution

The fourth proportional to 141,347.70, 212,021.55 and 125,601.30 is: 188,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,347.70 : 212,021.55 = 125,601.30 : x
  2. Step 2: Convert to fraction form
    141,347.70/212,021.55 = 125,601.30/x
  3. Step 3: Cross multiply
    141,347.70x = 212,021.55 × 125,601.30
  4. Step 4: Simplify right side
    141,347.70x = 26,630,182,308.02
  5. Step 5: Solve for x
    x = 26,630,182,308.02/141,347.70
  6. Step 6: Final answer
    x = 188,401.95

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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.