Home / 355,079.10-532,359.45-144,608.70

Finding the Fourth Proportional to 355,079.10, 532,359.45 and 144,608.70

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Solution

The fourth proportional to 355,079.10, 532,359.45 and 144,608.70 is: 216,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,079.10 : 532,359.45 = 144,608.70 : x
  2. Step 2: Convert to fraction form
    355,079.10/532,359.45 = 144,608.70/x
  3. Step 3: Cross multiply
    355,079.10x = 532,359.45 × 144,608.70
  4. Step 4: Simplify right side
    355,079.10x = 76,983,807,997.22
  5. Step 5: Solve for x
    x = 76,983,807,997.22/355,079.10
  6. Step 6: Final answer
    x = 216,807.49

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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.