Home / 190,875.04-263,403.48-105,990.64

Finding the Fourth Proportional to 190,875.04, 263,403.48 and 105,990.64

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Solution

The fourth proportional to 190,875.04, 263,403.48 and 105,990.64 is: 146,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,875.04 : 263,403.48 = 105,990.64 : x
  2. Step 2: Convert to fraction form
    190,875.04/263,403.48 = 105,990.64/x
  3. Step 3: Cross multiply
    190,875.04x = 263,403.48 × 105,990.64
  4. Step 4: Simplify right side
    190,875.04x = 27,918,303,423.43
  5. Step 5: Solve for x
    x = 27,918,303,423.43/190,875.04
  6. Step 6: Final answer
    x = 146,264.82

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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.