Home / 147,918.30-221,877.45-92,113.35

Finding the Fourth Proportional to 147,918.30, 221,877.45 and 92,113.35

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Solution

The fourth proportional to 147,918.30, 221,877.45 and 92,113.35 is: 138,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,918.30 : 221,877.45 = 92,113.35 : x
  2. Step 2: Convert to fraction form
    147,918.30/221,877.45 = 92,113.35/x
  3. Step 3: Cross multiply
    147,918.30x = 221,877.45 × 92,113.35
  4. Step 4: Simplify right side
    147,918.30x = 20,437,875,208.96
  5. Step 5: Solve for x
    x = 20,437,875,208.96/147,918.30
  6. Step 6: Final answer
    x = 138,170.03

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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.