Home / 145,317.51-217,976.00-38,701.53

Finding the Fourth Proportional to 145,317.51, 217,976.00 and 38,701.53

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Solution

The fourth proportional to 145,317.51, 217,976.00 and 38,701.53 is: 58,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,317.51 : 217,976.00 = 38,701.53 : x
  2. Step 2: Convert to fraction form
    145,317.51/217,976.00 = 38,701.53/x
  3. Step 3: Cross multiply
    145,317.51x = 217,976.00 × 38,701.53
  4. Step 4: Simplify right side
    145,317.51x = 8,436,004,509.77
  5. Step 5: Solve for x
    x = 8,436,004,509.77/145,317.51
  6. Step 6: Final answer
    x = 58,052.22

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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.