Home / 141,566.08-195,368.32-81,143.68

Finding the Fourth Proportional to 141,566.08, 195,368.32 and 81,143.68

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Solution

The fourth proportional to 141,566.08, 195,368.32 and 81,143.68 is: 111,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,566.08 : 195,368.32 = 81,143.68 : x
  2. Step 2: Convert to fraction form
    141,566.08/195,368.32 = 81,143.68/x
  3. Step 3: Cross multiply
    141,566.08x = 195,368.32 × 81,143.68
  4. Step 4: Simplify right side
    141,566.08x = 15,852,904,440.22
  5. Step 5: Solve for x
    x = 15,852,904,440.22/141,566.08
  6. Step 6: Final answer
    x = 111,982.36

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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.