Home / 209,823.12-289,552.26-114,330.60

Finding the Fourth Proportional to 209,823.12, 289,552.26 and 114,330.60

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Solution

The fourth proportional to 209,823.12, 289,552.26 and 114,330.60 is: 157,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.12 : 289,552.26 = 114,330.60 : x
  2. Step 2: Convert to fraction form
    209,823.12/289,552.26 = 114,330.60/x
  3. Step 3: Cross multiply
    209,823.12x = 289,552.26 × 114,330.60
  4. Step 4: Simplify right side
    209,823.12x = 33,104,683,617.16
  5. Step 5: Solve for x
    x = 33,104,683,617.16/209,823.12
  6. Step 6: Final answer
    x = 157,774.24

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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.