Home / 145,135.93-217,537.40-60,880.51

Finding the Fourth Proportional to 145,135.93, 217,537.40 and 60,880.51

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Solution

The fourth proportional to 145,135.93, 217,537.40 and 60,880.51 is: 91,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,135.93 : 217,537.40 = 60,880.51 : x
  2. Step 2: Convert to fraction form
    145,135.93/217,537.40 = 60,880.51/x
  3. Step 3: Cross multiply
    145,135.93x = 217,537.40 × 60,880.51
  4. Step 4: Simplify right side
    145,135.93x = 13,243,787,551.67
  5. Step 5: Solve for x
    x = 13,243,787,551.67/145,135.93
  6. Step 6: Final answer
    x = 91,250.92

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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.