Home / 190,429.10-285,643.65-48,274.10

Finding the Fourth Proportional to 190,429.10, 285,643.65 and 48,274.10

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Solution

The fourth proportional to 190,429.10, 285,643.65 and 48,274.10 is: 72,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,429.10 : 285,643.65 = 48,274.10 : x
  2. Step 2: Convert to fraction form
    190,429.10/285,643.65 = 48,274.10/x
  3. Step 3: Cross multiply
    190,429.10x = 285,643.65 × 48,274.10
  4. Step 4: Simplify right side
    190,429.10x = 13,789,190,124.47
  5. Step 5: Solve for x
    x = 13,789,190,124.47/190,429.10
  6. Step 6: Final answer
    x = 72,411.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.