Home / 243,916.50-365,872.70-190,653.28

Finding the Fourth Proportional to 243,916.50, 365,872.70 and 190,653.28

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Solution

The fourth proportional to 243,916.50, 365,872.70 and 190,653.28 is: 285,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,916.50 : 365,872.70 = 190,653.28 : x
  2. Step 2: Convert to fraction form
    243,916.50/365,872.70 = 190,653.28/x
  3. Step 3: Cross multiply
    243,916.50x = 365,872.70 × 190,653.28
  4. Step 4: Simplify right side
    243,916.50x = 69,754,830,317.46
  5. Step 5: Solve for x
    x = 69,754,830,317.46/243,916.50
  6. Step 6: Final answer
    x = 285,978.32

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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.