Home / 152,664.75-210,677.56-84,679.43

Finding the Fourth Proportional to 152,664.75, 210,677.56 and 84,679.43

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Solution

The fourth proportional to 152,664.75, 210,677.56 and 84,679.43 is: 116,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,664.75 : 210,677.56 = 84,679.43 : x
  2. Step 2: Convert to fraction form
    152,664.75/210,677.56 = 84,679.43/x
  3. Step 3: Cross multiply
    152,664.75x = 210,677.56 × 84,679.43
  4. Step 4: Simplify right side
    152,664.75x = 17,840,054,429.50
  5. Step 5: Solve for x
    x = 17,840,054,429.50/152,664.75
  6. Step 6: Final answer
    x = 116,857.72

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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.