Home / 161,141.20-241,711.80-154,315.60

Finding the Fourth Proportional to 161,141.20, 241,711.80 and 154,315.60

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Solution

The fourth proportional to 161,141.20, 241,711.80 and 154,315.60 is: 231,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,141.20 : 241,711.80 = 154,315.60 : x
  2. Step 2: Convert to fraction form
    161,141.20/241,711.80 = 154,315.60/x
  3. Step 3: Cross multiply
    161,141.20x = 241,711.80 × 154,315.60
  4. Step 4: Simplify right side
    161,141.20x = 37,299,901,444.08
  5. Step 5: Solve for x
    x = 37,299,901,444.08/161,141.20
  6. Step 6: Final answer
    x = 231,473.40

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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.