Home / 171,938.65-257,944.83-51,985.35

Finding the Fourth Proportional to 171,938.65, 257,944.83 and 51,985.35

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Solution

The fourth proportional to 171,938.65, 257,944.83 and 51,985.35 is: 77,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,938.65 : 257,944.83 = 51,985.35 : x
  2. Step 2: Convert to fraction form
    171,938.65/257,944.83 = 51,985.35/x
  3. Step 3: Cross multiply
    171,938.65x = 257,944.83 × 51,985.35
  4. Step 4: Simplify right side
    171,938.65x = 13,409,352,268.24
  5. Step 5: Solve for x
    x = 13,409,352,268.24/171,938.65
  6. Step 6: Final answer
    x = 77,989.17

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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.