Home / 190,532.40-262,934.28-105,647.28

Finding the Fourth Proportional to 190,532.40, 262,934.28 and 105,647.28

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Solution

The fourth proportional to 190,532.40, 262,934.28 and 105,647.28 is: 145,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,532.40 : 262,934.28 = 105,647.28 : x
  2. Step 2: Convert to fraction form
    190,532.40/262,934.28 = 105,647.28/x
  3. Step 3: Cross multiply
    190,532.40x = 262,934.28 × 105,647.28
  4. Step 4: Simplify right side
    190,532.40x = 27,778,291,500.76
  5. Step 5: Solve for x
    x = 27,778,291,500.76/190,532.40
  6. Step 6: Final answer
    x = 145,793.01

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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.