Home / 296,831.04-409,606.54-189,389.17

Finding the Fourth Proportional to 296,831.04, 409,606.54 and 189,389.17

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Solution

The fourth proportional to 296,831.04, 409,606.54 and 189,389.17 is: 261,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,831.04 : 409,606.54 = 189,389.17 : x
  2. Step 2: Convert to fraction form
    296,831.04/409,606.54 = 189,389.17/x
  3. Step 3: Cross multiply
    296,831.04x = 409,606.54 × 189,389.17
  4. Step 4: Simplify right side
    296,831.04x = 77,575,042,637.17
  5. Step 5: Solve for x
    x = 77,575,042,637.17/296,831.04
  6. Step 6: Final answer
    x = 261,344.11

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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.