Home / 210,193.65-315,288.41-96,309.18

Finding the Fourth Proportional to 210,193.65, 315,288.41 and 96,309.18

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Solution

The fourth proportional to 210,193.65, 315,288.41 and 96,309.18 is: 144,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,193.65 : 315,288.41 = 96,309.18 : x
  2. Step 2: Convert to fraction form
    210,193.65/315,288.41 = 96,309.18/x
  3. Step 3: Cross multiply
    210,193.65x = 315,288.41 × 96,309.18
  4. Step 4: Simplify right side
    210,193.65x = 30,365,167,749.06
  5. Step 5: Solve for x
    x = 30,365,167,749.06/210,193.65
  6. Step 6: Final answer
    x = 144,462.82

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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.