Home / 278,597.36-384,551.88-177,995.12

Finding the Fourth Proportional to 278,597.36, 384,551.88 and 177,995.12

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Solution

The fourth proportional to 278,597.36, 384,551.88 and 177,995.12 is: 245,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,597.36 : 384,551.88 = 177,995.12 : x
  2. Step 2: Convert to fraction form
    278,597.36/384,551.88 = 177,995.12/x
  3. Step 3: Cross multiply
    278,597.36x = 384,551.88 × 177,995.12
  4. Step 4: Simplify right side
    278,597.36x = 68,448,358,026.83
  5. Step 5: Solve for x
    x = 68,448,358,026.83/278,597.36
  6. Step 6: Final answer
    x = 245,689.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.