Home / 189,142.16-261,034.58-141,312.47

Finding the Fourth Proportional to 189,142.16, 261,034.58 and 141,312.47

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Solution

The fourth proportional to 189,142.16, 261,034.58 and 141,312.47 is: 195,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,142.16 : 261,034.58 = 141,312.47 : x
  2. Step 2: Convert to fraction form
    189,142.16/261,034.58 = 141,312.47/x
  3. Step 3: Cross multiply
    189,142.16x = 261,034.58 × 141,312.47
  4. Step 4: Simplify right side
    189,142.16x = 36,887,441,255.21
  5. Step 5: Solve for x
    x = 36,887,441,255.21/189,142.16
  6. Step 6: Final answer
    x = 195,024.96

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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.