Home / 141,176.23-194,823.54-77,518.12

Finding the Fourth Proportional to 141,176.23, 194,823.54 and 77,518.12

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Solution

The fourth proportional to 141,176.23, 194,823.54 and 77,518.12 is: 106,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,176.23 : 194,823.54 = 77,518.12 : x
  2. Step 2: Convert to fraction form
    141,176.23/194,823.54 = 77,518.12/x
  3. Step 3: Cross multiply
    141,176.23x = 194,823.54 × 77,518.12
  4. Step 4: Simplify right side
    141,176.23x = 15,102,354,552.54
  5. Step 5: Solve for x
    x = 15,102,354,552.54/141,176.23
  6. Step 6: Final answer
    x = 106,975.19

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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.