Home / 178,087.28-245,760.86-96,416.40

Finding the Fourth Proportional to 178,087.28, 245,760.86 and 96,416.40

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Solution

The fourth proportional to 178,087.28, 245,760.86 and 96,416.40 is: 133,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,087.28 : 245,760.86 = 96,416.40 : x
  2. Step 2: Convert to fraction form
    178,087.28/245,760.86 = 96,416.40/x
  3. Step 3: Cross multiply
    178,087.28x = 245,760.86 × 96,416.40
  4. Step 4: Simplify right side
    178,087.28x = 23,695,376,900.02
  5. Step 5: Solve for x
    x = 23,695,376,900.02/178,087.28
  6. Step 6: Final answer
    x = 133,054.85

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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.