Home / 145,184.37-217,776.54-56,458.62

Finding the Fourth Proportional to 145,184.37, 217,776.54 and 56,458.62

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Solution

The fourth proportional to 145,184.37, 217,776.54 and 56,458.62 is: 84,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,184.37 : 217,776.54 = 56,458.62 : x
  2. Step 2: Convert to fraction form
    145,184.37/217,776.54 = 56,458.62/x
  3. Step 3: Cross multiply
    145,184.37x = 217,776.54 × 56,458.62
  4. Step 4: Simplify right side
    145,184.37x = 12,295,362,916.77
  5. Step 5: Solve for x
    x = 12,295,362,916.77/145,184.37
  6. Step 6: Final answer
    x = 84,687.92

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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.