Home / 141,434.55-195,151.73-79,347.11

Finding the Fourth Proportional to 141,434.55, 195,151.73 and 79,347.11

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Solution

The fourth proportional to 141,434.55, 195,151.73 and 79,347.11 is: 109,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,434.55 : 195,151.73 = 79,347.11 : x
  2. Step 2: Convert to fraction form
    141,434.55/195,151.73 = 79,347.11/x
  3. Step 3: Cross multiply
    141,434.55x = 195,151.73 × 79,347.11
  4. Step 4: Simplify right side
    141,434.55x = 15,484,724,414.51
  5. Step 5: Solve for x
    x = 15,484,724,414.51/141,434.55
  6. Step 6: Final answer
    x = 109,483.32

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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.