Home / 355,216.20-532,889.10-144,875.40

Finding the Fourth Proportional to 355,216.20, 532,889.10 and 144,875.40

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Solution

The fourth proportional to 355,216.20, 532,889.10 and 144,875.40 is: 217,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,216.20 : 532,889.10 = 144,875.40 : x
  2. Step 2: Convert to fraction form
    355,216.20/532,889.10 = 144,875.40/x
  3. Step 3: Cross multiply
    355,216.20x = 532,889.10 × 144,875.40
  4. Step 4: Simplify right side
    355,216.20x = 77,202,521,518.14
  5. Step 5: Solve for x
    x = 77,202,521,518.14/355,216.20
  6. Step 6: Final answer
    x = 217,339.53

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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.