Home / 141,900.08-195,823.63-77,368.78

Finding the Fourth Proportional to 141,900.08, 195,823.63 and 77,368.78

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Solution

The fourth proportional to 141,900.08, 195,823.63 and 77,368.78 is: 106,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,900.08 : 195,823.63 = 77,368.78 : x
  2. Step 2: Convert to fraction form
    141,900.08/195,823.63 = 77,368.78/x
  3. Step 3: Cross multiply
    141,900.08x = 195,823.63 × 77,368.78
  4. Step 4: Simplify right side
    141,900.08x = 15,150,635,689.76
  5. Step 5: Solve for x
    x = 15,150,635,689.76/141,900.08
  6. Step 6: Final answer
    x = 106,769.75

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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.