Home / 343,247.82-473,638.14-190,284.57

Finding the Fourth Proportional to 343,247.82, 473,638.14 and 190,284.57

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Solution

The fourth proportional to 343,247.82, 473,638.14 and 190,284.57 is: 262,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,247.82 : 473,638.14 = 190,284.57 : x
  2. Step 2: Convert to fraction form
    343,247.82/473,638.14 = 190,284.57/x
  3. Step 3: Cross multiply
    343,247.82x = 473,638.14 × 190,284.57
  4. Step 4: Simplify right side
    343,247.82x = 90,126,029,805.50
  5. Step 5: Solve for x
    x = 90,126,029,805.50/343,247.82
  6. Step 6: Final answer
    x = 262,568.40

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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.