Home / 355,018.08-532,508.96-130,361.24

Finding the Fourth Proportional to 355,018.08, 532,508.96 and 130,361.24

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Solution

The fourth proportional to 355,018.08, 532,508.96 and 130,361.24 is: 195,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,018.08 : 532,508.96 = 130,361.24 : x
  2. Step 2: Convert to fraction form
    355,018.08/532,508.96 = 130,361.24/x
  3. Step 3: Cross multiply
    355,018.08x = 532,508.96 × 130,361.24
  4. Step 4: Simplify right side
    355,018.08x = 69,418,528,336.71
  5. Step 5: Solve for x
    x = 69,418,528,336.71/355,018.08
  6. Step 6: Final answer
    x = 195,535.19

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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.