Home / 374,831.04-517,215.84-223,896

Finding the Fourth Proportional to 374,831.04, 517,215.84 and 223,896

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Solution

The fourth proportional to 374,831.04, 517,215.84 and 223,896 is: 308,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,831.04 : 517,215.84 = 223,896 : x
  2. Step 2: Convert to fraction form
    374,831.04/517,215.84 = 223,896/x
  3. Step 3: Cross multiply
    374,831.04x = 517,215.84 × 223,896
  4. Step 4: Simplify right side
    374,831.04x = 115,802,557,712.64
  5. Step 5: Solve for x
    x = 115,802,557,712.64/374,831.04
  6. Step 6: Final answer
    x = 308,946.02

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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.