Home / 219,831.01-303,366.80-124,335.65

Finding the Fourth Proportional to 219,831.01, 303,366.80 and 124,335.65

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Solution

The fourth proportional to 219,831.01, 303,366.80 and 124,335.65 is: 171,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,831.01 : 303,366.80 = 124,335.65 : x
  2. Step 2: Convert to fraction form
    219,831.01/303,366.80 = 124,335.65/x
  3. Step 3: Cross multiply
    219,831.01x = 303,366.80 × 124,335.65
  4. Step 4: Simplify right side
    219,831.01x = 37,719,308,266.42
  5. Step 5: Solve for x
    x = 37,719,308,266.42/219,831.01
  6. Step 6: Final answer
    x = 171,583.20

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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.