Home / 119,220.30-164,526.74-65,501.91

Finding the Fourth Proportional to 119,220.30, 164,526.74 and 65,501.91

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Solution

The fourth proportional to 119,220.30, 164,526.74 and 65,501.91 is: 90,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,220.30 : 164,526.74 = 65,501.91 : x
  2. Step 2: Convert to fraction form
    119,220.30/164,526.74 = 65,501.91/x
  3. Step 3: Cross multiply
    119,220.30x = 164,526.74 × 65,501.91
  4. Step 4: Simplify right side
    119,220.30x = 10,776,815,716.07
  5. Step 5: Solve for x
    x = 10,776,815,716.07/119,220.30
  6. Step 6: Final answer
    x = 90,394.13

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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.