Home / 163,869.71-245,951.08-83,962.19

Finding the Fourth Proportional to 163,869.71, 245,951.08 and 83,962.19

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Solution

The fourth proportional to 163,869.71, 245,951.08 and 83,962.19 is: 126,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,869.71 : 245,951.08 = 83,962.19 : x
  2. Step 2: Convert to fraction form
    163,869.71/245,951.08 = 83,962.19/x
  3. Step 3: Cross multiply
    163,869.71x = 245,951.08 × 83,962.19
  4. Step 4: Simplify right side
    163,869.71x = 20,650,589,870.00
  5. Step 5: Solve for x
    x = 20,650,589,870.00/163,869.71
  6. Step 6: Final answer
    x = 126,018.35

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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.