Home / 291,275.14-402,083.58-195,837.16

Finding the Fourth Proportional to 291,275.14, 402,083.58 and 195,837.16

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Solution

The fourth proportional to 291,275.14, 402,083.58 and 195,837.16 is: 270,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,275.14 : 402,083.58 = 195,837.16 : x
  2. Step 2: Convert to fraction form
    291,275.14/402,083.58 = 195,837.16/x
  3. Step 3: Cross multiply
    291,275.14x = 402,083.58 × 195,837.16
  4. Step 4: Simplify right side
    291,275.14x = 78,742,906,389.83
  5. Step 5: Solve for x
    x = 78,742,906,389.83/291,275.14
  6. Step 6: Final answer
    x = 270,338.58

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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.