Home / 169,918.20-254,869.20-57,587.40

Finding the Fourth Proportional to 169,918.20, 254,869.20 and 57,587.40

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Solution

The fourth proportional to 169,918.20, 254,869.20 and 57,587.40 is: 86,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,918.20 : 254,869.20 = 57,587.40 : x
  2. Step 2: Convert to fraction form
    169,918.20/254,869.20 = 57,587.40/x
  3. Step 3: Cross multiply
    169,918.20x = 254,869.20 × 57,587.40
  4. Step 4: Simplify right side
    169,918.20x = 14,677,254,568.08
  5. Step 5: Solve for x
    x = 14,677,254,568.08/169,918.20
  6. Step 6: Final answer
    x = 86,378.35

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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.