Home / 134,666.96-185,853.54-100,616.36

Finding the Fourth Proportional to 134,666.96, 185,853.54 and 100,616.36

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Solution

The fourth proportional to 134,666.96, 185,853.54 and 100,616.36 is: 138,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.96 : 185,853.54 = 100,616.36 : x
  2. Step 2: Convert to fraction form
    134,666.96/185,853.54 = 100,616.36/x
  3. Step 3: Cross multiply
    134,666.96x = 185,853.54 × 100,616.36
  4. Step 4: Simplify right side
    134,666.96x = 18,699,905,758.65
  5. Step 5: Solve for x
    x = 18,699,905,758.65/134,666.96
  6. Step 6: Final answer
    x = 138,860.39

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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.