Home / 126,533.12-174,613.28-69,943.28

Finding the Fourth Proportional to 126,533.12, 174,613.28 and 69,943.28

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Solution

The fourth proportional to 126,533.12, 174,613.28 and 69,943.28 is: 96,520.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,533.12 : 174,613.28 = 69,943.28 : x
  2. Step 2: Convert to fraction form
    126,533.12/174,613.28 = 69,943.28/x
  3. Step 3: Cross multiply
    126,533.12x = 174,613.28 × 69,943.28
  4. Step 4: Simplify right side
    126,533.12x = 12,213,025,534.76
  5. Step 5: Solve for x
    x = 12,213,025,534.76/126,533.12
  6. Step 6: Final answer
    x = 96,520.39

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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.