Home / 141,582.69-195,381.59-77,919.93

Finding the Fourth Proportional to 141,582.69, 195,381.59 and 77,919.93

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Solution

The fourth proportional to 141,582.69, 195,381.59 and 77,919.93 is: 107,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,582.69 : 195,381.59 = 77,919.93 : x
  2. Step 2: Convert to fraction form
    141,582.69/195,381.59 = 77,919.93/x
  3. Step 3: Cross multiply
    141,582.69x = 195,381.59 × 77,919.93
  4. Step 4: Simplify right side
    141,582.69x = 15,224,119,426.49
  5. Step 5: Solve for x
    x = 15,224,119,426.49/141,582.69
  6. Step 6: Final answer
    x = 107,528.11

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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.