Home / 160,220.16-240,327.61-65,429.51

Finding the Fourth Proportional to 160,220.16, 240,327.61 and 65,429.51

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Solution

The fourth proportional to 160,220.16, 240,327.61 and 65,429.51 is: 98,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,220.16 : 240,327.61 = 65,429.51 : x
  2. Step 2: Convert to fraction form
    160,220.16/240,327.61 = 65,429.51/x
  3. Step 3: Cross multiply
    160,220.16x = 240,327.61 × 65,429.51
  4. Step 4: Simplify right side
    160,220.16x = 15,724,516,396.56
  5. Step 5: Solve for x
    x = 15,724,516,396.56/160,220.16
  6. Step 6: Final answer
    x = 98,143.18

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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.