Home / 343,249.32-473,640.21-190,286.07

Finding the Fourth Proportional to 343,249.32, 473,640.21 and 190,286.07

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Solution

The fourth proportional to 343,249.32, 473,640.21 and 190,286.07 is: 262,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,249.32 : 473,640.21 = 190,286.07 : x
  2. Step 2: Convert to fraction form
    343,249.32/473,640.21 = 190,286.07/x
  3. Step 3: Cross multiply
    343,249.32x = 473,640.21 × 190,286.07
  4. Step 4: Simplify right side
    343,249.32x = 90,127,134,154.87
  5. Step 5: Solve for x
    x = 90,127,134,154.87/343,249.32
  6. Step 6: Final answer
    x = 262,570.47

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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.