Home / 236,688.40-355,251.30-118,444.60

Finding the Fourth Proportional to 236,688.40, 355,251.30 and 118,444.60

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Solution

The fourth proportional to 236,688.40, 355,251.30 and 118,444.60 is: 177,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,688.40 : 355,251.30 = 118,444.60 : x
  2. Step 2: Convert to fraction form
    236,688.40/355,251.30 = 118,444.60/x
  3. Step 3: Cross multiply
    236,688.40x = 355,251.30 × 118,444.60
  4. Step 4: Simplify right side
    236,688.40x = 42,077,598,127.98
  5. Step 5: Solve for x
    x = 42,077,598,127.98/236,688.40
  6. Step 6: Final answer
    x = 177,776.34

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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.