Home / 194,831.80-291,729.30-124,329.40

Finding the Fourth Proportional to 194,831.80, 291,729.30 and 124,329.40

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Solution

The fourth proportional to 194,831.80, 291,729.30 and 124,329.40 is: 186,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,831.80 : 291,729.30 = 124,329.40 : x
  2. Step 2: Convert to fraction form
    194,831.80/291,729.30 = 124,329.40/x
  3. Step 3: Cross multiply
    194,831.80x = 291,729.30 × 124,329.40
  4. Step 4: Simplify right side
    194,831.80x = 36,270,528,831.42
  5. Step 5: Solve for x
    x = 36,270,528,831.42/194,831.80
  6. Step 6: Final answer
    x = 186,163.29

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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.