Home / 121,087.48-181,681.26-53,584.12

Finding the Fourth Proportional to 121,087.48, 181,681.26 and 53,584.12

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Solution

The fourth proportional to 121,087.48, 181,681.26 and 53,584.12 is: 80,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,087.48 : 181,681.26 = 53,584.12 : x
  2. Step 2: Convert to fraction form
    121,087.48/181,681.26 = 53,584.12/x
  3. Step 3: Cross multiply
    121,087.48x = 181,681.26 × 53,584.12
  4. Step 4: Simplify right side
    121,087.48x = 9,735,230,437.59
  5. Step 5: Solve for x
    x = 9,735,230,437.59/121,087.48
  6. Step 6: Final answer
    x = 80,398.32

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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.