Home / 94,985.40-142,478.10-94,329.30

Finding the Fourth Proportional to 94,985.40, 142,478.10 and 94,329.30

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Solution

The fourth proportional to 94,985.40, 142,478.10 and 94,329.30 is: 141,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,985.40 : 142,478.10 = 94,329.30 : x
  2. Step 2: Convert to fraction form
    94,985.40/142,478.10 = 94,329.30/x
  3. Step 3: Cross multiply
    94,985.40x = 142,478.10 × 94,329.30
  4. Step 4: Simplify right side
    94,985.40x = 13,439,859,438.33
  5. Step 5: Solve for x
    x = 13,439,859,438.33/94,985.40
  6. Step 6: Final answer
    x = 141,493.95

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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.