Home / 355,632.03-533,497.05-145,220.76

Finding the Fourth Proportional to 355,632.03, 533,497.05 and 145,220.76

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Solution

The fourth proportional to 355,632.03, 533,497.05 and 145,220.76 is: 217,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,632.03 : 533,497.05 = 145,220.76 : x
  2. Step 2: Convert to fraction form
    355,632.03/533,497.05 = 145,220.76/x
  3. Step 3: Cross multiply
    355,632.03x = 533,497.05 × 145,220.76
  4. Step 4: Simplify right side
    355,632.03x = 77,474,847,058.76
  5. Step 5: Solve for x
    x = 77,474,847,058.76/355,632.03
  6. Step 6: Final answer
    x = 217,851.15

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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.