Home / 126,398.24-174,424.80-69,808.16

Finding the Fourth Proportional to 126,398.24, 174,424.80 and 69,808.16

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Solution

The fourth proportional to 126,398.24, 174,424.80 and 69,808.16 is: 96,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,398.24 : 174,424.80 = 69,808.16 : x
  2. Step 2: Convert to fraction form
    126,398.24/174,424.80 = 69,808.16/x
  3. Step 3: Cross multiply
    126,398.24x = 174,424.80 × 69,808.16
  4. Step 4: Simplify right side
    126,398.24x = 12,176,274,346.37
  5. Step 5: Solve for x
    x = 12,176,274,346.37/126,398.24
  6. Step 6: Final answer
    x = 96,332.63

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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.