Home / 114,979.44-158,669.84-64,678.40

Finding the Fourth Proportional to 114,979.44, 158,669.84 and 64,678.40

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Solution

The fourth proportional to 114,979.44, 158,669.84 and 64,678.40 is: 89,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,979.44 : 158,669.84 = 64,678.40 : x
  2. Step 2: Convert to fraction form
    114,979.44/158,669.84 = 64,678.40/x
  3. Step 3: Cross multiply
    114,979.44x = 158,669.84 × 64,678.40
  4. Step 4: Simplify right side
    114,979.44x = 10,262,511,379.46
  5. Step 5: Solve for x
    x = 10,262,511,379.46/114,979.44
  6. Step 6: Final answer
    x = 89,255.19

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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.