Home / 126,317.08-174,318.78-69,727.24

Finding the Fourth Proportional to 126,317.08, 174,318.78 and 69,727.24

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Solution

The fourth proportional to 126,317.08, 174,318.78 and 69,727.24 is: 96,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,317.08 : 174,318.78 = 69,727.24 : x
  2. Step 2: Convert to fraction form
    126,317.08/174,318.78 = 69,727.24/x
  3. Step 3: Cross multiply
    126,317.08x = 174,318.78 × 69,727.24
  4. Step 4: Simplify right side
    126,317.08x = 12,154,767,409.57
  5. Step 5: Solve for x
    x = 12,154,767,409.57/126,317.08
  6. Step 6: Final answer
    x = 96,224.26

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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.