Home / 343,960.80-474,638.76-190,984.56

Finding the Fourth Proportional to 343,960.80, 474,638.76 and 190,984.56

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Solution

The fourth proportional to 343,960.80, 474,638.76 and 190,984.56 is: 263,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,960.80 : 474,638.76 = 190,984.56 : x
  2. Step 2: Convert to fraction form
    343,960.80/474,638.76 = 190,984.56/x
  3. Step 3: Cross multiply
    343,960.80x = 474,638.76 × 190,984.56
  4. Step 4: Simplify right side
    343,960.80x = 90,648,674,737.55
  5. Step 5: Solve for x
    x = 90,648,674,737.55/343,960.80
  6. Step 6: Final answer
    x = 263,543.62

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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.