Home / 209,581.41-289,222.38-114,088.82

Finding the Fourth Proportional to 209,581.41, 289,222.38 and 114,088.82

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Solution

The fourth proportional to 209,581.41, 289,222.38 and 114,088.82 is: 157,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,581.41 : 289,222.38 = 114,088.82 : x
  2. Step 2: Convert to fraction form
    209,581.41/289,222.38 = 114,088.82/x
  3. Step 3: Cross multiply
    209,581.41x = 289,222.38 × 114,088.82
  4. Step 4: Simplify right side
    209,581.41x = 32,997,038,605.68
  5. Step 5: Solve for x
    x = 32,997,038,605.68/209,581.41
  6. Step 6: Final answer
    x = 157,442.58

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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.