Home / 119,328.19-164,672.93-65,616.89

Finding the Fourth Proportional to 119,328.19, 164,672.93 and 65,616.89

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Solution

The fourth proportional to 119,328.19, 164,672.93 and 65,616.89 is: 90,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,328.19 : 164,672.93 = 65,616.89 : x
  2. Step 2: Convert to fraction form
    119,328.19/164,672.93 = 65,616.89/x
  3. Step 3: Cross multiply
    119,328.19x = 164,672.93 × 65,616.89
  4. Step 4: Simplify right side
    119,328.19x = 10,805,324,874.47
  5. Step 5: Solve for x
    x = 10,805,324,874.47/119,328.19
  6. Step 6: Final answer
    x = 90,551.32

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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.