Home / 190,298.34-262,627.72-105,423.30

Finding the Fourth Proportional to 190,298.34, 262,627.72 and 105,423.30

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Solution

The fourth proportional to 190,298.34, 262,627.72 and 105,423.30 is: 145,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,298.34 : 262,627.72 = 105,423.30 : x
  2. Step 2: Convert to fraction form
    190,298.34/262,627.72 = 105,423.30/x
  3. Step 3: Cross multiply
    190,298.34x = 262,627.72 × 105,423.30
  4. Step 4: Simplify right side
    190,298.34x = 27,687,080,650.32
  5. Step 5: Solve for x
    x = 27,687,080,650.32/190,298.34
  6. Step 6: Final answer
    x = 145,493.02

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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.