Home / 191,831.52-264,762.08-120,273.60

Finding the Fourth Proportional to 191,831.52, 264,762.08 and 120,273.60

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Solution

The fourth proportional to 191,831.52, 264,762.08 and 120,273.60 is: 165,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,831.52 : 264,762.08 = 120,273.60 : x
  2. Step 2: Convert to fraction form
    191,831.52/264,762.08 = 120,273.60/x
  3. Step 3: Cross multiply
    191,831.52x = 264,762.08 × 120,273.60
  4. Step 4: Simplify right side
    191,831.52x = 31,843,888,505.09
  5. Step 5: Solve for x
    x = 31,843,888,505.09/191,831.52
  6. Step 6: Final answer
    x = 165,999.25

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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.