Home / 141,715.56-195,567.48-78,053.36

Finding the Fourth Proportional to 141,715.56, 195,567.48 and 78,053.36

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Solution

The fourth proportional to 141,715.56, 195,567.48 and 78,053.36 is: 107,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,715.56 : 195,567.48 = 78,053.36 : x
  2. Step 2: Convert to fraction form
    141,715.56/195,567.48 = 78,053.36/x
  3. Step 3: Cross multiply
    141,715.56x = 195,567.48 × 78,053.36
  4. Step 4: Simplify right side
    141,715.56x = 15,264,698,920.73
  5. Step 5: Solve for x
    x = 15,264,698,920.73/141,715.56
  6. Step 6: Final answer
    x = 107,713.64

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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.