Home / 119,263.90-164,587.20-65,550.28

Finding the Fourth Proportional to 119,263.90, 164,587.20 and 65,550.28

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Solution

The fourth proportional to 119,263.90, 164,587.20 and 65,550.28 is: 90,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,263.90 : 164,587.20 = 65,550.28 : x
  2. Step 2: Convert to fraction form
    119,263.90/164,587.20 = 65,550.28/x
  3. Step 3: Cross multiply
    119,263.90x = 164,587.20 × 65,550.28
  4. Step 4: Simplify right side
    119,263.90x = 10,788,737,044.42
  5. Step 5: Solve for x
    x = 10,788,737,044.42/119,263.90
  6. Step 6: Final answer
    x = 90,461.05

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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.