Home / 355,567.29-533,351.45-145,205.22

Finding the Fourth Proportional to 355,567.29, 533,351.45 and 145,205.22

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Solution

The fourth proportional to 355,567.29, 533,351.45 and 145,205.22 is: 217,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,567.29 : 533,351.45 = 145,205.22 : x
  2. Step 2: Convert to fraction form
    355,567.29/533,351.45 = 145,205.22/x
  3. Step 3: Cross multiply
    355,567.29x = 533,351.45 × 145,205.22
  4. Step 4: Simplify right side
    355,567.29x = 77,445,413,908.54
  5. Step 5: Solve for x
    x = 77,445,413,908.54/355,567.29
  6. Step 6: Final answer
    x = 217,808.04

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1.5x scale

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.