Home / 190,199.83-262,472.56-105,315.07

Finding the Fourth Proportional to 190,199.83, 262,472.56 and 105,315.07

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Solution

The fourth proportional to 190,199.83, 262,472.56 and 105,315.07 is: 145,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199.83 : 262,472.56 = 105,315.07 : x
  2. Step 2: Convert to fraction form
    190,199.83/262,472.56 = 105,315.07/x
  3. Step 3: Cross multiply
    190,199.83x = 262,472.56 × 105,315.07
  4. Step 4: Simplify right side
    190,199.83x = 27,642,316,029.48
  5. Step 5: Solve for x
    x = 27,642,316,029.48/190,199.83
  6. Step 6: Final answer
    x = 145,333.02

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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.