Home / 119,329.11-164,678.40-65,618.24

Finding the Fourth Proportional to 119,329.11, 164,678.40 and 65,618.24

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Solution

The fourth proportional to 119,329.11, 164,678.40 and 65,618.24 is: 90,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,329.11 : 164,678.40 = 65,618.24 : x
  2. Step 2: Convert to fraction form
    119,329.11/164,678.40 = 65,618.24/x
  3. Step 3: Cross multiply
    119,329.11x = 164,678.40 × 65,618.24
  4. Step 4: Simplify right side
    119,329.11x = 10,805,905,950.62
  5. Step 5: Solve for x
    x = 10,805,905,950.62/119,329.11
  6. Step 6: Final answer
    x = 90,555.49

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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.