Home / 141,709.09-195,554.55-77,176.87

Finding the Fourth Proportional to 141,709.09, 195,554.55 and 77,176.87

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Solution

The fourth proportional to 141,709.09, 195,554.55 and 77,176.87 is: 106,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,709.09 : 195,554.55 = 77,176.87 : x
  2. Step 2: Convert to fraction form
    141,709.09/195,554.55 = 77,176.87/x
  3. Step 3: Cross multiply
    141,709.09x = 195,554.55 × 77,176.87
  4. Step 4: Simplify right side
    141,709.09x = 15,092,288,083.26
  5. Step 5: Solve for x
    x = 15,092,288,083.26/141,709.09
  6. Step 6: Final answer
    x = 106,501.91

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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.