Home / 163,868.18-245,835.99-69,098.63

Finding the Fourth Proportional to 163,868.18, 245,835.99 and 69,098.63

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Solution

The fourth proportional to 163,868.18, 245,835.99 and 69,098.63 is: 103,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,868.18 : 245,835.99 = 69,098.63 : x
  2. Step 2: Convert to fraction form
    163,868.18/245,835.99 = 69,098.63/x
  3. Step 3: Cross multiply
    163,868.18x = 245,835.99 × 69,098.63
  4. Step 4: Simplify right side
    163,868.18x = 16,986,928,884.51
  5. Step 5: Solve for x
    x = 16,986,928,884.51/163,868.18
  6. Step 6: Final answer
    x = 103,662.16

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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.