Home / 204,038.90-306,058.35-124,205.30

Finding the Fourth Proportional to 204,038.90, 306,058.35 and 124,205.30

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Solution

The fourth proportional to 204,038.90, 306,058.35 and 124,205.30 is: 186,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,038.90 : 306,058.35 = 124,205.30 : x
  2. Step 2: Convert to fraction form
    204,038.90/306,058.35 = 124,205.30/x
  3. Step 3: Cross multiply
    204,038.90x = 306,058.35 × 124,205.30
  4. Step 4: Simplify right side
    204,038.90x = 38,014,069,179.26
  5. Step 5: Solve for x
    x = 38,014,069,179.26/204,038.90
  6. Step 6: Final answer
    x = 186,307.95

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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.