Home / 229,386.90-343,692.08-140,454.70

Finding the Fourth Proportional to 229,386.90, 343,692.08 and 140,454.70

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Solution

The fourth proportional to 229,386.90, 343,692.08 and 140,454.70 is: 210,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,386.90 : 343,692.08 = 140,454.70 : x
  2. Step 2: Convert to fraction form
    229,386.90/343,692.08 = 140,454.70/x
  3. Step 3: Cross multiply
    229,386.90x = 343,692.08 × 140,454.70
  4. Step 4: Simplify right side
    229,386.90x = 48,273,167,988.78
  5. Step 5: Solve for x
    x = 48,273,167,988.78/229,386.90
  6. Step 6: Final answer
    x = 210,444.31

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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.