Home / 155,542.40-233,121.60-105,622.40

Finding the Fourth Proportional to 155,542.40, 233,121.60 and 105,622.40

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Solution

The fourth proportional to 155,542.40, 233,121.60 and 105,622.40 is: 158,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,542.40 : 233,121.60 = 105,622.40 : x
  2. Step 2: Convert to fraction form
    155,542.40/233,121.60 = 105,622.40/x
  3. Step 3: Cross multiply
    155,542.40x = 233,121.60 × 105,622.40
  4. Step 4: Simplify right side
    155,542.40x = 24,622,862,883.84
  5. Step 5: Solve for x
    x = 24,622,862,883.84/155,542.40
  6. Step 6: Final answer
    x = 158,303.22

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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.