Home / 152,817.64-210,882.88-84,837.60

Finding the Fourth Proportional to 152,817.64, 210,882.88 and 84,837.60

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Solution

The fourth proportional to 152,817.64, 210,882.88 and 84,837.60 is: 117,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,817.64 : 210,882.88 = 84,837.60 : x
  2. Step 2: Convert to fraction form
    152,817.64/210,882.88 = 84,837.60/x
  3. Step 3: Cross multiply
    152,817.64x = 210,882.88 × 84,837.60
  4. Step 4: Simplify right side
    152,817.64x = 17,890,797,420.29
  5. Step 5: Solve for x
    x = 17,890,797,420.29/152,817.64
  6. Step 6: Final answer
    x = 117,072.86

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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.