Home / 152,899.62-211,008.54-84,916.92

Finding the Fourth Proportional to 152,899.62, 211,008.54 and 84,916.92

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Solution

The fourth proportional to 152,899.62, 211,008.54 and 84,916.92 is: 117,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,899.62 : 211,008.54 = 84,916.92 : x
  2. Step 2: Convert to fraction form
    152,899.62/211,008.54 = 84,916.92/x
  3. Step 3: Cross multiply
    152,899.62x = 211,008.54 × 84,916.92
  4. Step 4: Simplify right side
    152,899.62x = 17,918,195,310.50
  5. Step 5: Solve for x
    x = 17,918,195,310.50/152,899.62
  6. Step 6: Final answer
    x = 117,189.27

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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.