Home / 190,216.40-262,495.56-105,333.20

Finding the Fourth Proportional to 190,216.40, 262,495.56 and 105,333.20

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Solution

The fourth proportional to 190,216.40, 262,495.56 and 105,333.20 is: 145,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,216.40 : 262,495.56 = 105,333.20 : x
  2. Step 2: Convert to fraction form
    190,216.40/262,495.56 = 105,333.20/x
  3. Step 3: Cross multiply
    190,216.40x = 262,495.56 × 105,333.20
  4. Step 4: Simplify right side
    190,216.40x = 27,649,497,320.59
  5. Step 5: Solve for x
    x = 27,649,497,320.59/190,216.40
  6. Step 6: Final answer
    x = 145,358.11

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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.