Home / 145,784.10-217,877.42-106,424.10

Finding the Fourth Proportional to 145,784.10, 217,877.42 and 106,424.10

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Solution

The fourth proportional to 145,784.10, 217,877.42 and 106,424.10 is: 159,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,784.10 : 217,877.42 = 106,424.10 : x
  2. Step 2: Convert to fraction form
    145,784.10/217,877.42 = 106,424.10/x
  3. Step 3: Cross multiply
    145,784.10x = 217,877.42 × 106,424.10
  4. Step 4: Simplify right side
    145,784.10x = 23,187,407,801.70
  5. Step 5: Solve for x
    x = 23,187,407,801.70/145,784.10
  6. Step 6: Final answer
    x = 159,053.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.