Home / 190,213.16-262,483.65-105,324.75

Finding the Fourth Proportional to 190,213.16, 262,483.65 and 105,324.75

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Solution

The fourth proportional to 190,213.16, 262,483.65 and 105,324.75 is: 145,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,213.16 : 262,483.65 = 105,324.75 : x
  2. Step 2: Convert to fraction form
    190,213.16/262,483.65 = 105,324.75/x
  3. Step 3: Cross multiply
    190,213.16x = 262,483.65 × 105,324.75
  4. Step 4: Simplify right side
    190,213.16x = 27,646,024,815.34
  5. Step 5: Solve for x
    x = 27,646,024,815.34/190,213.16
  6. Step 6: Final answer
    x = 145,342.34

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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.