Home / 170,954.54-256,460.97-76,219.10

Finding the Fourth Proportional to 170,954.54, 256,460.97 and 76,219.10

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Solution

The fourth proportional to 170,954.54, 256,460.97 and 76,219.10 is: 114,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,954.54 : 256,460.97 = 76,219.10 : x
  2. Step 2: Convert to fraction form
    170,954.54/256,460.97 = 76,219.10/x
  3. Step 3: Cross multiply
    170,954.54x = 256,460.97 × 76,219.10
  4. Step 4: Simplify right side
    170,954.54x = 19,547,224,318.53
  5. Step 5: Solve for x
    x = 19,547,224,318.53/170,954.54
  6. Step 6: Final answer
    x = 114,341.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.