Home / 171,765.13-257,665.37-59,445.15

Finding the Fourth Proportional to 171,765.13, 257,665.37 and 59,445.15

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Solution

The fourth proportional to 171,765.13, 257,665.37 and 59,445.15 is: 89,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,765.13 : 257,665.37 = 59,445.15 : x
  2. Step 2: Convert to fraction form
    171,765.13/257,665.37 = 59,445.15/x
  3. Step 3: Cross multiply
    171,765.13x = 257,665.37 × 59,445.15
  4. Step 4: Simplify right side
    171,765.13x = 15,316,956,569.46
  5. Step 5: Solve for x
    x = 15,316,956,569.46/171,765.13
  6. Step 6: Final answer
    x = 89,173.84

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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.