Home / 119,354.04-164,705.40-65,644.56

Finding the Fourth Proportional to 119,354.04, 164,705.40 and 65,644.56

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Solution

The fourth proportional to 119,354.04, 164,705.40 and 65,644.56 is: 90,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,354.04 : 164,705.40 = 65,644.56 : x
  2. Step 2: Convert to fraction form
    119,354.04/164,705.40 = 65,644.56/x
  3. Step 3: Cross multiply
    119,354.04x = 164,705.40 × 65,644.56
  4. Step 4: Simplify right side
    119,354.04x = 10,812,013,512.62
  5. Step 5: Solve for x
    x = 10,812,013,512.62/119,354.04
  6. Step 6: Final answer
    x = 90,587.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.