Home / 291,276.14-402,084.96-195,838.16

Finding the Fourth Proportional to 291,276.14, 402,084.96 and 195,838.16

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Solution

The fourth proportional to 291,276.14, 402,084.96 and 195,838.16 is: 270,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276.14 : 402,084.96 = 195,838.16 : x
  2. Step 2: Convert to fraction form
    291,276.14/402,084.96 = 195,838.16/x
  3. Step 3: Cross multiply
    291,276.14x = 402,084.96 × 195,838.16
  4. Step 4: Simplify right side
    291,276.14x = 78,743,578,730.07
  5. Step 5: Solve for x
    x = 78,743,578,730.07/291,276.14
  6. Step 6: Final answer
    x = 270,339.96

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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.