Home / 355,509.27-533,264.45-142,373.16

Finding the Fourth Proportional to 355,509.27, 533,264.45 and 142,373.16

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Solution

The fourth proportional to 355,509.27, 533,264.45 and 142,373.16 is: 213,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,509.27 : 533,264.45 = 142,373.16 : x
  2. Step 2: Convert to fraction form
    355,509.27/533,264.45 = 142,373.16/x
  3. Step 3: Cross multiply
    355,509.27x = 533,264.45 × 142,373.16
  4. Step 4: Simplify right side
    355,509.27x = 75,922,544,150.30
  5. Step 5: Solve for x
    x = 75,922,544,150.30/355,509.27
  6. Step 6: Final answer
    x = 213,559.96

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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.