Home / 176,328.40-243,336.02-99,845.43

Finding the Fourth Proportional to 176,328.40, 243,336.02 and 99,845.43

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Solution

The fourth proportional to 176,328.40, 243,336.02 and 99,845.43 is: 137,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,328.40 : 243,336.02 = 99,845.43 : x
  2. Step 2: Convert to fraction form
    176,328.40/243,336.02 = 99,845.43/x
  3. Step 3: Cross multiply
    176,328.40x = 243,336.02 × 99,845.43
  4. Step 4: Simplify right side
    176,328.40x = 24,295,989,551.39
  5. Step 5: Solve for x
    x = 24,295,989,551.39/176,328.40
  6. Step 6: Final answer
    x = 137,788.29

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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.