Home / 174,007.20-261,010.80-154,178.40

Finding the Fourth Proportional to 174,007.20, 261,010.80 and 154,178.40

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Solution

The fourth proportional to 174,007.20, 261,010.80 and 154,178.40 is: 231,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,007.20 : 261,010.80 = 154,178.40 : x
  2. Step 2: Convert to fraction form
    174,007.20/261,010.80 = 154,178.40/x
  3. Step 3: Cross multiply
    174,007.20x = 261,010.80 × 154,178.40
  4. Step 4: Simplify right side
    174,007.20x = 40,242,227,526.72
  5. Step 5: Solve for x
    x = 40,242,227,526.72/174,007.20
  6. Step 6: Final answer
    x = 231,267.60

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1.5x scale

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.