Home / 343,071.45-473,453.71-190,109.23

Finding the Fourth Proportional to 343,071.45, 473,453.71 and 190,109.23

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Solution

The fourth proportional to 343,071.45, 473,453.71 and 190,109.23 is: 262,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,071.45 : 473,453.71 = 190,109.23 : x
  2. Step 2: Convert to fraction form
    343,071.45/473,453.71 = 190,109.23/x
  3. Step 3: Cross multiply
    343,071.45x = 473,453.71 × 190,109.23
  4. Step 4: Simplify right side
    343,071.45x = 90,007,918,589.84
  5. Step 5: Solve for x
    x = 90,007,918,589.84/343,071.45
  6. Step 6: Final answer
    x = 262,359.11

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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.