Home / 209,827.60-289,562.10-114,334.32

Finding the Fourth Proportional to 209,827.60, 289,562.10 and 114,334.32

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Solution

The fourth proportional to 209,827.60, 289,562.10 and 114,334.32 is: 157,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,827.60 : 289,562.10 = 114,334.32 : x
  2. Step 2: Convert to fraction form
    209,827.60/289,562.10 = 114,334.32/x
  3. Step 3: Cross multiply
    209,827.60x = 289,562.10 × 114,334.32
  4. Step 4: Simplify right side
    209,827.60x = 33,106,885,801.27
  5. Step 5: Solve for x
    x = 33,106,885,801.27/209,827.60
  6. Step 6: Final answer
    x = 157,781.37

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1.5x scale

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.