Home / 210,027.69-315,104.10-97,774.24

Finding the Fourth Proportional to 210,027.69, 315,104.10 and 97,774.24

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Solution

The fourth proportional to 210,027.69, 315,104.10 and 97,774.24 is: 146,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,027.69 : 315,104.10 = 97,774.24 : x
  2. Step 2: Convert to fraction form
    210,027.69/315,104.10 = 97,774.24/x
  3. Step 3: Cross multiply
    210,027.69x = 315,104.10 × 97,774.24
  4. Step 4: Simplify right side
    210,027.69x = 30,809,063,898.38
  5. Step 5: Solve for x
    x = 30,809,063,898.38/210,027.69
  6. Step 6: Final answer
    x = 146,690.49

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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.