Home / 121,179.52-181,741.02-46,272.16

Finding the Fourth Proportional to 121,179.52, 181,741.02 and 46,272.16

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Solution

The fourth proportional to 121,179.52, 181,741.02 and 46,272.16 is: 69,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,179.52 : 181,741.02 = 46,272.16 : x
  2. Step 2: Convert to fraction form
    121,179.52/181,741.02 = 46,272.16/x
  3. Step 3: Cross multiply
    121,179.52x = 181,741.02 × 46,272.16
  4. Step 4: Simplify right side
    121,179.52x = 8,409,549,556.00
  5. Step 5: Solve for x
    x = 8,409,549,556.00/121,179.52
  6. Step 6: Final answer
    x = 69,397.45

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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.