Home / 190,092.87-262,341.45-105,215.40

Finding the Fourth Proportional to 190,092.87, 262,341.45 and 105,215.40

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Solution

The fourth proportional to 190,092.87, 262,341.45 and 105,215.40 is: 145,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,092.87 : 262,341.45 = 105,215.40 : x
  2. Step 2: Convert to fraction form
    190,092.87/262,341.45 = 105,215.40/x
  3. Step 3: Cross multiply
    190,092.87x = 262,341.45 × 105,215.40
  4. Step 4: Simplify right side
    190,092.87x = 27,602,360,598.33
  5. Step 5: Solve for x
    x = 27,602,360,598.33/190,092.87
  6. Step 6: Final answer
    x = 145,204.61

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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.