Home / 362,187.20-543,280.80-268,875.20

Finding the Fourth Proportional to 362,187.20, 543,280.80 and 268,875.20

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Solution

The fourth proportional to 362,187.20, 543,280.80 and 268,875.20 is: 403,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,187.20 : 543,280.80 = 268,875.20 : x
  2. Step 2: Convert to fraction form
    362,187.20/543,280.80 = 268,875.20/x
  3. Step 3: Cross multiply
    362,187.20x = 543,280.80 × 268,875.20
  4. Step 4: Simplify right side
    362,187.20x = 146,074,733,756.16
  5. Step 5: Solve for x
    x = 146,074,733,756.16/362,187.20
  6. Step 6: Final answer
    x = 403,312.80

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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.