Home / 152,611.28-210,597.72-84,631.04

Finding the Fourth Proportional to 152,611.28, 210,597.72 and 84,631.04

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Solution

The fourth proportional to 152,611.28, 210,597.72 and 84,631.04 is: 116,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,611.28 : 210,597.72 = 84,631.04 : x
  2. Step 2: Convert to fraction form
    152,611.28/210,597.72 = 84,631.04/x
  3. Step 3: Cross multiply
    152,611.28x = 210,597.72 × 84,631.04
  4. Step 4: Simplify right side
    152,611.28x = 17,823,104,065.23
  5. Step 5: Solve for x
    x = 17,823,104,065.23/152,611.28
  6. Step 6: Final answer
    x = 116,787.59

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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.