Home / 209,649.15-289,314.60-114,155.62

Finding the Fourth Proportional to 209,649.15, 289,314.60 and 114,155.62

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Solution

The fourth proportional to 209,649.15, 289,314.60 and 114,155.62 is: 157,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,649.15 : 289,314.60 = 114,155.62 : x
  2. Step 2: Convert to fraction form
    209,649.15/289,314.60 = 114,155.62/x
  3. Step 3: Cross multiply
    209,649.15x = 289,314.60 × 114,155.62
  4. Step 4: Simplify right side
    209,649.15x = 33,026,886,091.48
  5. Step 5: Solve for x
    x = 33,026,886,091.48/209,649.15
  6. Step 6: Final answer
    x = 157,534.08

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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.