Home / 343,112.36-473,481.45-190,157.02

Finding the Fourth Proportional to 343,112.36, 473,481.45 and 190,157.02

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Solution

The fourth proportional to 343,112.36, 473,481.45 and 190,157.02 is: 262,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,112.36 : 473,481.45 = 190,157.02 : x
  2. Step 2: Convert to fraction form
    343,112.36/473,481.45 = 190,157.02/x
  3. Step 3: Cross multiply
    343,112.36x = 473,481.45 × 190,157.02
  4. Step 4: Simplify right side
    343,112.36x = 90,035,820,373.58
  5. Step 5: Solve for x
    x = 90,035,820,373.58/343,112.36
  6. Step 6: Final answer
    x = 262,409.15

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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.