Home / 141,799.23-195,670.88-81,368.57

Finding the Fourth Proportional to 141,799.23, 195,670.88 and 81,368.57

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Solution

The fourth proportional to 141,799.23, 195,670.88 and 81,368.57 is: 112,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,799.23 : 195,670.88 = 81,368.57 : x
  2. Step 2: Convert to fraction form
    141,799.23/195,670.88 = 81,368.57/x
  3. Step 3: Cross multiply
    141,799.23x = 195,670.88 × 81,368.57
  4. Step 4: Simplify right side
    141,799.23x = 15,921,458,717.89
  5. Step 5: Solve for x
    x = 15,921,458,717.89/141,799.23
  6. Step 6: Final answer
    x = 112,281.70

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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.