Home / 109,875.10-164,812.65-108,708.70

Finding the Fourth Proportional to 109,875.10, 164,812.65 and 108,708.70

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Solution

The fourth proportional to 109,875.10, 164,812.65 and 108,708.70 is: 163,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,875.10 : 164,812.65 = 108,708.70 : x
  2. Step 2: Convert to fraction form
    109,875.10/164,812.65 = 108,708.70/x
  3. Step 3: Cross multiply
    109,875.10x = 164,812.65 × 108,708.70
  4. Step 4: Simplify right side
    109,875.10x = 17,916,568,925.06
  5. Step 5: Solve for x
    x = 17,916,568,925.06/109,875.10
  6. Step 6: Final answer
    x = 163,063.05

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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.