Home / 121,066.40-181,534.80-50,866.40

Finding the Fourth Proportional to 121,066.40, 181,534.80 and 50,866.40

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Solution

The fourth proportional to 121,066.40, 181,534.80 and 50,866.40 is: 76,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,066.40 : 181,534.80 = 50,866.40 : x
  2. Step 2: Convert to fraction form
    121,066.40/181,534.80 = 50,866.40/x
  3. Step 3: Cross multiply
    121,066.40x = 181,534.80 × 50,866.40
  4. Step 4: Simplify right side
    121,066.40x = 9,234,021,750.72
  5. Step 5: Solve for x
    x = 9,234,021,750.72/121,066.40
  6. Step 6: Final answer
    x = 76,272.37

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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.