Home / 141,534.08-195,324.16-81,111.68

Finding the Fourth Proportional to 141,534.08, 195,324.16 and 81,111.68

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Solution

The fourth proportional to 141,534.08, 195,324.16 and 81,111.68 is: 111,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,534.08 : 195,324.16 = 81,111.68 : x
  2. Step 2: Convert to fraction form
    141,534.08/195,324.16 = 81,111.68/x
  3. Step 3: Cross multiply
    141,534.08x = 195,324.16 × 81,111.68
  4. Step 4: Simplify right side
    141,534.08x = 15,843,070,762.19
  5. Step 5: Solve for x
    x = 15,843,070,762.19/141,534.08
  6. Step 6: Final answer
    x = 111,938.20

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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.