Home / 141,499.67-195,272.57-77,837.47

Finding the Fourth Proportional to 141,499.67, 195,272.57 and 77,837.47

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Solution

The fourth proportional to 141,499.67, 195,272.57 and 77,837.47 is: 107,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,499.67 : 195,272.57 = 77,837.47 : x
  2. Step 2: Convert to fraction form
    141,499.67/195,272.57 = 77,837.47/x
  3. Step 3: Cross multiply
    141,499.67x = 195,272.57 × 77,837.47
  4. Step 4: Simplify right side
    141,499.67x = 15,199,522,809.20
  5. Step 5: Solve for x
    x = 15,199,522,809.20/141,499.67
  6. Step 6: Final answer
    x = 107,417.37

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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.