Home / 230,660.16-318,322.08-130,056

Finding the Fourth Proportional to 230,660.16, 318,322.08 and 130,056

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Solution

The fourth proportional to 230,660.16, 318,322.08 and 130,056 is: 179,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,660.16 : 318,322.08 = 130,056 : x
  2. Step 2: Convert to fraction form
    230,660.16/318,322.08 = 130,056/x
  3. Step 3: Cross multiply
    230,660.16x = 318,322.08 × 130,056
  4. Step 4: Simplify right side
    230,660.16x = 41,399,696,436.48
  5. Step 5: Solve for x
    x = 41,399,696,436.48/230,660.16
  6. Step 6: Final answer
    x = 179,483.52

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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.