Home / 163,870.92-245,901.78-69,095.16

Finding the Fourth Proportional to 163,870.92, 245,901.78 and 69,095.16

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Solution

The fourth proportional to 163,870.92, 245,901.78 and 69,095.16 is: 103,682.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,870.92 : 245,901.78 = 69,095.16 : x
  2. Step 2: Convert to fraction form
    163,870.92/245,901.78 = 69,095.16/x
  3. Step 3: Cross multiply
    163,870.92x = 245,901.78 × 69,095.16
  4. Step 4: Simplify right side
    163,870.92x = 16,990,622,833.38
  5. Step 5: Solve for x
    x = 16,990,622,833.38/163,870.92
  6. Step 6: Final answer
    x = 103,682.96

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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.