Home / 304,831.78-457,531.38-155,184.10

Finding the Fourth Proportional to 304,831.78, 457,531.38 and 155,184.10

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Solution

The fourth proportional to 304,831.78, 457,531.38 and 155,184.10 is: 232,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,831.78 : 457,531.38 = 155,184.10 : x
  2. Step 2: Convert to fraction form
    304,831.78/457,531.38 = 155,184.10/x
  3. Step 3: Cross multiply
    304,831.78x = 457,531.38 × 155,184.10
  4. Step 4: Simplify right side
    304,831.78x = 71,001,595,427.06
  5. Step 5: Solve for x
    x = 71,001,595,427.06/304,831.78
  6. Step 6: Final answer
    x = 232,920.58

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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.