Home / 108,206.14-163,047.80-88,916.80

Finding the Fourth Proportional to 108,206.14, 163,047.80 and 88,916.80

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Solution

The fourth proportional to 108,206.14, 163,047.80 and 88,916.80 is: 133,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,206.14 : 163,047.80 = 88,916.80 : x
  2. Step 2: Convert to fraction form
    108,206.14/163,047.80 = 88,916.80/x
  3. Step 3: Cross multiply
    108,206.14x = 163,047.80 × 88,916.80
  4. Step 4: Simplify right side
    108,206.14x = 14,497,688,623.04
  5. Step 5: Solve for x
    x = 14,497,688,623.04/108,206.14
  6. Step 6: Final answer
    x = 133,982.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.