Home / 141,585.75-195,388.89-77,925.81

Finding the Fourth Proportional to 141,585.75, 195,388.89 and 77,925.81

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Solution

The fourth proportional to 141,585.75, 195,388.89 and 77,925.81 is: 107,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,585.75 : 195,388.89 = 77,925.81 : x
  2. Step 2: Convert to fraction form
    141,585.75/195,388.89 = 77,925.81/x
  3. Step 3: Cross multiply
    141,585.75x = 195,388.89 × 77,925.81
  4. Step 4: Simplify right side
    141,585.75x = 15,225,837,518.25
  5. Step 5: Solve for x
    x = 15,225,837,518.25/141,585.75
  6. Step 6: Final answer
    x = 107,537.92

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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.