Home / 244,623.40-366,935.10-78,428.20

Finding the Fourth Proportional to 244,623.40, 366,935.10 and 78,428.20

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Solution

The fourth proportional to 244,623.40, 366,935.10 and 78,428.20 is: 117,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,623.40 : 366,935.10 = 78,428.20 : x
  2. Step 2: Convert to fraction form
    244,623.40/366,935.10 = 78,428.20/x
  3. Step 3: Cross multiply
    244,623.40x = 366,935.10 × 78,428.20
  4. Step 4: Simplify right side
    244,623.40x = 28,778,059,409.82
  5. Step 5: Solve for x
    x = 28,778,059,409.82/244,623.40
  6. Step 6: Final answer
    x = 117,642.30

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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.