Home / 386,209.12-532,868.52-233,126.32

Finding the Fourth Proportional to 386,209.12, 532,868.52 and 233,126.32

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Solution

The fourth proportional to 386,209.12, 532,868.52 and 233,126.32 is: 321,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,209.12 : 532,868.52 = 233,126.32 : x
  2. Step 2: Convert to fraction form
    386,209.12/532,868.52 = 233,126.32/x
  3. Step 3: Cross multiply
    386,209.12x = 532,868.52 × 233,126.32
  4. Step 4: Simplify right side
    386,209.12x = 124,225,677,111.45
  5. Step 5: Solve for x
    x = 124,225,677,111.45/386,209.12
  6. Step 6: Final answer
    x = 321,653.92

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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.