Home / 360,569.15-540,942.29-123,915.23

Finding the Fourth Proportional to 360,569.15, 540,942.29 and 123,915.23

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Solution

The fourth proportional to 360,569.15, 540,942.29 and 123,915.23 is: 185,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,569.15 : 540,942.29 = 123,915.23 : x
  2. Step 2: Convert to fraction form
    360,569.15/540,942.29 = 123,915.23/x
  3. Step 3: Cross multiply
    360,569.15x = 540,942.29 × 123,915.23
  4. Step 4: Simplify right side
    360,569.15x = 67,030,988,282.08
  5. Step 5: Solve for x
    x = 67,030,988,282.08/360,569.15
  6. Step 6: Final answer
    x = 185,903.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.