Home / 210,260.96-315,274.76-69,943.04

Finding the Fourth Proportional to 210,260.96, 315,274.76 and 69,943.04

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Solution

The fourth proportional to 210,260.96, 315,274.76 and 69,943.04 is: 104,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,260.96 : 315,274.76 = 69,943.04 : x
  2. Step 2: Convert to fraction form
    210,260.96/315,274.76 = 69,943.04/x
  3. Step 3: Cross multiply
    210,260.96x = 315,274.76 × 69,943.04
  4. Step 4: Simplify right side
    210,260.96x = 22,051,275,149.67
  5. Step 5: Solve for x
    x = 22,051,275,149.67/210,260.96
  6. Step 6: Final answer
    x = 104,875.75

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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.