Home / 163,699.98-245,017.18-91,533.84

Finding the Fourth Proportional to 163,699.98, 245,017.18 and 91,533.84

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Solution

The fourth proportional to 163,699.98, 245,017.18 and 91,533.84 is: 137,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,699.98 : 245,017.18 = 91,533.84 : x
  2. Step 2: Convert to fraction form
    163,699.98/245,017.18 = 91,533.84/x
  3. Step 3: Cross multiply
    163,699.98x = 245,017.18 × 91,533.84
  4. Step 4: Simplify right side
    163,699.98x = 22,427,363,351.37
  5. Step 5: Solve for x
    x = 22,427,363,351.37/163,699.98
  6. Step 6: Final answer
    x = 137,002.85

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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.