Home / 126,318.08-174,320.16-69,728.24

Finding the Fourth Proportional to 126,318.08, 174,320.16 and 69,728.24

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Solution

The fourth proportional to 126,318.08, 174,320.16 and 69,728.24 is: 96,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,318.08 : 174,320.16 = 69,728.24 : x
  2. Step 2: Convert to fraction form
    126,318.08/174,320.16 = 69,728.24/x
  3. Step 3: Cross multiply
    126,318.08x = 174,320.16 × 69,728.24
  4. Step 4: Simplify right side
    126,318.08x = 12,155,037,953.32
  5. Step 5: Solve for x
    x = 12,155,037,953.32/126,318.08
  6. Step 6: Final answer
    x = 96,225.64

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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.