Home / 235,746.28-325,345.38-135,145.96

Finding the Fourth Proportional to 235,746.28, 325,345.38 and 135,145.96

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Solution

The fourth proportional to 235,746.28, 325,345.38 and 135,145.96 is: 186,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,746.28 : 325,345.38 = 135,145.96 : x
  2. Step 2: Convert to fraction form
    235,746.28/325,345.38 = 135,145.96/x
  3. Step 3: Cross multiply
    235,746.28x = 325,345.38 × 135,145.96
  4. Step 4: Simplify right side
    235,746.28x = 43,969,113,711.66
  5. Step 5: Solve for x
    x = 43,969,113,711.66/235,746.28
  6. Step 6: Final answer
    x = 186,510.32

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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.