Home / 145,035.33-217,886.54-103,017.62

Finding the Fourth Proportional to 145,035.33, 217,886.54 and 103,017.62

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Solution

The fourth proportional to 145,035.33, 217,886.54 and 103,017.62 is: 154,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,035.33 : 217,886.54 = 103,017.62 : x
  2. Step 2: Convert to fraction form
    145,035.33/217,886.54 = 103,017.62/x
  3. Step 3: Cross multiply
    145,035.33x = 217,886.54 × 103,017.62
  4. Step 4: Simplify right side
    145,035.33x = 22,446,151,176.31
  5. Step 5: Solve for x
    x = 22,446,151,176.31/145,035.33
  6. Step 6: Final answer
    x = 154,763.33

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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.