Home / 141,328.81-195,024.58-80,899.93

Finding the Fourth Proportional to 141,328.81, 195,024.58 and 80,899.93

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Solution

The fourth proportional to 141,328.81, 195,024.58 and 80,899.93 is: 111,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,328.81 : 195,024.58 = 80,899.93 : x
  2. Step 2: Convert to fraction form
    141,328.81/195,024.58 = 80,899.93/x
  3. Step 3: Cross multiply
    141,328.81x = 195,024.58 × 80,899.93
  4. Step 4: Simplify right side
    141,328.81x = 15,777,474,870.28
  5. Step 5: Solve for x
    x = 15,777,474,870.28/141,328.81
  6. Step 6: Final answer
    x = 111,636.65

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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.