Home / 141,549.36-195,338.88-77,885.52

Finding the Fourth Proportional to 141,549.36, 195,338.88 and 77,885.52

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Solution

The fourth proportional to 141,549.36, 195,338.88 and 77,885.52 is: 107,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,549.36 : 195,338.88 = 77,885.52 : x
  2. Step 2: Convert to fraction form
    141,549.36/195,338.88 = 77,885.52/x
  3. Step 3: Cross multiply
    141,549.36x = 195,338.88 × 77,885.52
  4. Step 4: Simplify right side
    141,549.36x = 15,214,070,245.02
  5. Step 5: Solve for x
    x = 15,214,070,245.02/141,549.36
  6. Step 6: Final answer
    x = 107,482.44

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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.