Home / 235,964.64-325,621.28-128,534.16

Finding the Fourth Proportional to 235,964.64, 325,621.28 and 128,534.16

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Solution

The fourth proportional to 235,964.64, 325,621.28 and 128,534.16 is: 177,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,964.64 : 325,621.28 = 128,534.16 : x
  2. Step 2: Convert to fraction form
    235,964.64/325,621.28 = 128,534.16/x
  3. Step 3: Cross multiply
    235,964.64x = 325,621.28 × 128,534.16
  4. Step 4: Simplify right side
    235,964.64x = 41,853,457,702.92
  5. Step 5: Solve for x
    x = 41,853,457,702.92/235,964.64
  6. Step 6: Final answer
    x = 177,371.74

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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.