Home / 178,020.91-245,669.52-97,449.13

Finding the Fourth Proportional to 178,020.91, 245,669.52 and 97,449.13

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Solution

The fourth proportional to 178,020.91, 245,669.52 and 97,449.13 is: 134,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,020.91 : 245,669.52 = 97,449.13 : x
  2. Step 2: Convert to fraction form
    178,020.91/245,669.52 = 97,449.13/x
  3. Step 3: Cross multiply
    178,020.91x = 245,669.52 × 97,449.13
  4. Step 4: Simplify right side
    178,020.91x = 23,940,280,991.52
  5. Step 5: Solve for x
    x = 23,940,280,991.52/178,020.91
  6. Step 6: Final answer
    x = 134,480.16

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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.