Home / 343,415.09-473,896.17-190,459.35

Finding the Fourth Proportional to 343,415.09, 473,896.17 and 190,459.35

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Solution

The fourth proportional to 343,415.09, 473,896.17 and 190,459.35 is: 262,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,415.09 : 473,896.17 = 190,459.35 : x
  2. Step 2: Convert to fraction form
    343,415.09/473,896.17 = 190,459.35/x
  3. Step 3: Cross multiply
    343,415.09x = 473,896.17 × 190,459.35
  4. Step 4: Simplify right side
    343,415.09x = 90,257,956,505.69
  5. Step 5: Solve for x
    x = 90,257,956,505.69/343,415.09
  6. Step 6: Final answer
    x = 262,824.66

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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.