Home / 152,914.56-211,018.68-84,927.72

Finding the Fourth Proportional to 152,914.56, 211,018.68 and 84,927.72

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Solution

The fourth proportional to 152,914.56, 211,018.68 and 84,927.72 is: 117,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,914.56 : 211,018.68 = 84,927.72 : x
  2. Step 2: Convert to fraction form
    152,914.56/211,018.68 = 84,927.72/x
  3. Step 3: Cross multiply
    152,914.56x = 211,018.68 × 84,927.72
  4. Step 4: Simplify right side
    152,914.56x = 17,921,335,369.81
  5. Step 5: Solve for x
    x = 17,921,335,369.81/152,914.56
  6. Step 6: Final answer
    x = 117,198.36

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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.