Home / 141,509.16-195,372.27-87,851.12

Finding the Fourth Proportional to 141,509.16, 195,372.27 and 87,851.12

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Solution

The fourth proportional to 141,509.16, 195,372.27 and 87,851.12 is: 121,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,509.16 : 195,372.27 = 87,851.12 : x
  2. Step 2: Convert to fraction form
    141,509.16/195,372.27 = 87,851.12/x
  3. Step 3: Cross multiply
    141,509.16x = 195,372.27 × 87,851.12
  4. Step 4: Simplify right side
    141,509.16x = 17,163,671,759.58
  5. Step 5: Solve for x
    x = 17,163,671,759.58/141,509.16
  6. Step 6: Final answer
    x = 121,290.18

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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.