Home / 169,895.43-234,461.71-93,420.35

Finding the Fourth Proportional to 169,895.43, 234,461.71 and 93,420.35

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Solution

The fourth proportional to 169,895.43, 234,461.71 and 93,420.35 is: 128,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,895.43 : 234,461.71 = 93,420.35 : x
  2. Step 2: Convert to fraction form
    169,895.43/234,461.71 = 93,420.35/x
  3. Step 3: Cross multiply
    169,895.43x = 234,461.71 × 93,420.35
  4. Step 4: Simplify right side
    169,895.43x = 21,903,494,833.50
  5. Step 5: Solve for x
    x = 21,903,494,833.50/169,895.43
  6. Step 6: Final answer
    x = 128,923.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.