Home / 210,646.24-315,689.88-92,188.60

Finding the Fourth Proportional to 210,646.24, 315,689.88 and 92,188.60

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Solution

The fourth proportional to 210,646.24, 315,689.88 and 92,188.60 is: 138,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,646.24 : 315,689.88 = 92,188.60 : x
  2. Step 2: Convert to fraction form
    210,646.24/315,689.88 = 92,188.60/x
  3. Step 3: Cross multiply
    210,646.24x = 315,689.88 × 92,188.60
  4. Step 4: Simplify right side
    210,646.24x = 29,103,008,071.37
  5. Step 5: Solve for x
    x = 29,103,008,071.37/210,646.24
  6. Step 6: Final answer
    x = 138,160.59

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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.