Home / 235,943.34-325,607.58-128,519.16

Finding the Fourth Proportional to 235,943.34, 325,607.58 and 128,519.16

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Solution

The fourth proportional to 235,943.34, 325,607.58 and 128,519.16 is: 177,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,943.34 : 325,607.58 = 128,519.16 : x
  2. Step 2: Convert to fraction form
    235,943.34/325,607.58 = 128,519.16/x
  3. Step 3: Cross multiply
    235,943.34x = 325,607.58 × 128,519.16
  4. Step 4: Simplify right side
    235,943.34x = 41,846,812,671.23
  5. Step 5: Solve for x
    x = 41,846,812,671.23/235,943.34
  6. Step 6: Final answer
    x = 177,359.58

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1.5x scale

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.