Home / 189,848.48-262,042.88-118,185.92

Finding the Fourth Proportional to 189,848.48, 262,042.88 and 118,185.92

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Solution

The fourth proportional to 189,848.48, 262,042.88 and 118,185.92 is: 163,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,848.48 : 262,042.88 = 118,185.92 : x
  2. Step 2: Convert to fraction form
    189,848.48/262,042.88 = 118,185.92/x
  3. Step 3: Cross multiply
    189,848.48x = 262,042.88 × 118,185.92
  4. Step 4: Simplify right side
    189,848.48x = 30,969,778,852.25
  5. Step 5: Solve for x
    x = 30,969,778,852.25/189,848.48
  6. Step 6: Final answer
    x = 163,128.93

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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.