Home / 146,756.51-202,931.65-116,489.28

Finding the Fourth Proportional to 146,756.51, 202,931.65 and 116,489.28

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Solution

The fourth proportional to 146,756.51, 202,931.65 and 116,489.28 is: 161,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,756.51 : 202,931.65 = 116,489.28 : x
  2. Step 2: Convert to fraction form
    146,756.51/202,931.65 = 116,489.28/x
  3. Step 3: Cross multiply
    146,756.51x = 202,931.65 × 116,489.28
  4. Step 4: Simplify right side
    146,756.51x = 23,639,361,797.71
  5. Step 5: Solve for x
    x = 23,639,361,797.71/146,756.51
  6. Step 6: Final answer
    x = 161,078.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.