Home / 141,899.52-196,666.61-139,242.32

Finding the Fourth Proportional to 141,899.52, 196,666.61 and 139,242.32

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Solution

The fourth proportional to 141,899.52, 196,666.61 and 139,242.32 is: 192,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,899.52 : 196,666.61 = 139,242.32 : x
  2. Step 2: Convert to fraction form
    141,899.52/196,666.61 = 139,242.32/x
  3. Step 3: Cross multiply
    141,899.52x = 196,666.61 × 139,242.32
  4. Step 4: Simplify right side
    141,899.52x = 27,384,314,407.71
  5. Step 5: Solve for x
    x = 27,384,314,407.71/141,899.52
  6. Step 6: Final answer
    x = 192,983.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.