Home / 190,225.17-262,518.64-105,342.30

Finding the Fourth Proportional to 190,225.17, 262,518.64 and 105,342.30

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Solution

The fourth proportional to 190,225.17, 262,518.64 and 105,342.30 is: 145,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,225.17 : 262,518.64 = 105,342.30 : x
  2. Step 2: Convert to fraction form
    190,225.17/262,518.64 = 105,342.30/x
  3. Step 3: Cross multiply
    190,225.17x = 262,518.64 × 105,342.30
  4. Step 4: Simplify right side
    190,225.17x = 27,654,317,067.12
  5. Step 5: Solve for x
    x = 27,654,317,067.12/190,225.17
  6. Step 6: Final answer
    x = 145,376.75

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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.