Home / 212,210.37-318,366.14-62,455.55

Finding the Fourth Proportional to 212,210.37, 318,366.14 and 62,455.55

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Solution

The fourth proportional to 212,210.37, 318,366.14 and 62,455.55 is: 93,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,210.37 : 318,366.14 = 62,455.55 : x
  2. Step 2: Convert to fraction form
    212,210.37/318,366.14 = 62,455.55/x
  3. Step 3: Cross multiply
    212,210.37x = 318,366.14 × 62,455.55
  4. Step 4: Simplify right side
    212,210.37x = 19,883,730,470.97
  5. Step 5: Solve for x
    x = 19,883,730,470.97/212,210.37
  6. Step 6: Final answer
    x = 93,698.20

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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.