Home / 385,932.81-532,587.29-235,029.81

Finding the Fourth Proportional to 385,932.81, 532,587.29 and 235,029.81

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Solution

The fourth proportional to 385,932.81, 532,587.29 and 235,029.81 is: 324,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,932.81 : 532,587.29 = 235,029.81 : x
  2. Step 2: Convert to fraction form
    385,932.81/532,587.29 = 235,029.81/x
  3. Step 3: Cross multiply
    385,932.81x = 532,587.29 × 235,029.81
  4. Step 4: Simplify right side
    385,932.81x = 125,173,889,577.12
  5. Step 5: Solve for x
    x = 125,173,889,577.12/385,932.81
  6. Step 6: Final answer
    x = 324,341.15

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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.