Home / 141,498.95-195,271.61-77,836.75

Finding the Fourth Proportional to 141,498.95, 195,271.61 and 77,836.75

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Solution

The fourth proportional to 141,498.95, 195,271.61 and 77,836.75 is: 107,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,498.95 : 195,271.61 = 77,836.75 : x
  2. Step 2: Convert to fraction form
    141,498.95/195,271.61 = 77,836.75/x
  3. Step 3: Cross multiply
    141,498.95x = 195,271.61 × 77,836.75
  4. Step 4: Simplify right side
    141,498.95x = 15,199,307,050.14
  5. Step 5: Solve for x
    x = 15,199,307,050.14/141,498.95
  6. Step 6: Final answer
    x = 107,416.39

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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.