Home / 163,575.15-245,374.38-43,631.42

Finding the Fourth Proportional to 163,575.15, 245,374.38 and 43,631.42

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Solution

The fourth proportional to 163,575.15, 245,374.38 and 43,631.42 is: 65,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,575.15 : 245,374.38 = 43,631.42 : x
  2. Step 2: Convert to fraction form
    163,575.15/245,374.38 = 43,631.42/x
  3. Step 3: Cross multiply
    163,575.15x = 245,374.38 × 43,631.42
  4. Step 4: Simplify right side
    163,575.15x = 10,706,032,631.02
  5. Step 5: Solve for x
    x = 10,706,032,631.02/163,575.15
  6. Step 6: Final answer
    x = 65,450.24

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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.