Home / 189,140.16-261,031.82-141,310.47

Finding the Fourth Proportional to 189,140.16, 261,031.82 and 141,310.47

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Solution

The fourth proportional to 189,140.16, 261,031.82 and 141,310.47 is: 195,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,140.16 : 261,031.82 = 141,310.47 : x
  2. Step 2: Convert to fraction form
    189,140.16/261,031.82 = 141,310.47/x
  3. Step 3: Cross multiply
    189,140.16x = 261,031.82 × 141,310.47
  4. Step 4: Simplify right side
    189,140.16x = 36,886,529,441.47
  5. Step 5: Solve for x
    x = 36,886,529,441.47/189,140.16
  6. Step 6: Final answer
    x = 195,022.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.