Home / 199,567.08-299,406.78-87,257.16

Finding the Fourth Proportional to 199,567.08, 299,406.78 and 87,257.16

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Solution

The fourth proportional to 199,567.08, 299,406.78 and 87,257.16 is: 130,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,567.08 : 299,406.78 = 87,257.16 : x
  2. Step 2: Convert to fraction form
    199,567.08/299,406.78 = 87,257.16/x
  3. Step 3: Cross multiply
    199,567.08x = 299,406.78 × 87,257.16
  4. Step 4: Simplify right side
    199,567.08x = 26,125,385,307.54
  5. Step 5: Solve for x
    x = 26,125,385,307.54/199,567.08
  6. Step 6: Final answer
    x = 130,910.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.