Home / 190,376.04-262,717.56-105,492.72

Finding the Fourth Proportional to 190,376.04, 262,717.56 and 105,492.72

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Solution

The fourth proportional to 190,376.04, 262,717.56 and 105,492.72 is: 145,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,376.04 : 262,717.56 = 105,492.72 : x
  2. Step 2: Convert to fraction form
    190,376.04/262,717.56 = 105,492.72/x
  3. Step 3: Cross multiply
    190,376.04x = 262,717.56 × 105,492.72
  4. Step 4: Simplify right side
    190,376.04x = 27,714,789,996.16
  5. Step 5: Solve for x
    x = 27,714,789,996.16/190,376.04
  6. Step 6: Final answer
    x = 145,579.19

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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.