Home / 343,420.35-473,949.20-190,507.81

Finding the Fourth Proportional to 343,420.35, 473,949.20 and 190,507.81

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Solution

The fourth proportional to 343,420.35, 473,949.20 and 190,507.81 is: 262,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,420.35 : 473,949.20 = 190,507.81 : x
  2. Step 2: Convert to fraction form
    343,420.35/473,949.20 = 190,507.81/x
  3. Step 3: Cross multiply
    343,420.35x = 473,949.20 × 190,507.81
  4. Step 4: Simplify right side
    343,420.35x = 90,291,024,143.25
  5. Step 5: Solve for x
    x = 90,291,024,143.25/343,420.35
  6. Step 6: Final answer
    x = 262,916.93

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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.