Home / 141,686.07-195,468.10-84,313.91

Finding the Fourth Proportional to 141,686.07, 195,468.10 and 84,313.91

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Solution

The fourth proportional to 141,686.07, 195,468.10 and 84,313.91 is: 116,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,686.07 : 195,468.10 = 84,313.91 : x
  2. Step 2: Convert to fraction form
    141,686.07/195,468.10 = 84,313.91/x
  3. Step 3: Cross multiply
    141,686.07x = 195,468.10 × 84,313.91
  4. Step 4: Simplify right side
    141,686.07x = 16,480,679,791.27
  5. Step 5: Solve for x
    x = 16,480,679,791.27/141,686.07
  6. Step 6: Final answer
    x = 116,318.28

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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.