Home / 185,140.54-255,318.44-127,688.05

Finding the Fourth Proportional to 185,140.54, 255,318.44 and 127,688.05

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Solution

The fourth proportional to 185,140.54, 255,318.44 and 127,688.05 is: 176,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,140.54 : 255,318.44 = 127,688.05 : x
  2. Step 2: Convert to fraction form
    185,140.54/255,318.44 = 127,688.05/x
  3. Step 3: Cross multiply
    185,140.54x = 255,318.44 × 127,688.05
  4. Step 4: Simplify right side
    185,140.54x = 32,601,112,455.91
  5. Step 5: Solve for x
    x = 32,601,112,455.91/185,140.54
  6. Step 6: Final answer
    x = 176,088.46

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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.