Home / 355,502.32-533,201.03-130,810.55

Finding the Fourth Proportional to 355,502.32, 533,201.03 and 130,810.55

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Solution

The fourth proportional to 355,502.32, 533,201.03 and 130,810.55 is: 196,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,502.32 : 533,201.03 = 130,810.55 : x
  2. Step 2: Convert to fraction form
    355,502.32/533,201.03 = 130,810.55/x
  3. Step 3: Cross multiply
    355,502.32x = 533,201.03 × 130,810.55
  4. Step 4: Simplify right side
    355,502.32x = 69,748,317,165.35
  5. Step 5: Solve for x
    x = 69,748,317,165.35/355,502.32
  6. Step 6: Final answer
    x = 196,196.52

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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.