Home / 105,217.23-157,840.13-34,116.68

Finding the Fourth Proportional to 105,217.23, 157,840.13 and 34,116.68

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Solution

The fourth proportional to 105,217.23, 157,840.13 and 34,116.68 is: 51,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217.23 : 157,840.13 = 34,116.68 : x
  2. Step 2: Convert to fraction form
    105,217.23/157,840.13 = 34,116.68/x
  3. Step 3: Cross multiply
    105,217.23x = 157,840.13 × 34,116.68
  4. Step 4: Simplify right side
    105,217.23x = 5,384,980,606.50
  5. Step 5: Solve for x
    x = 5,384,980,606.50/105,217.23
  6. Step 6: Final answer
    x = 51,179.65

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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.