Home / 209,774.73-289,492.26-114,281.40

Finding the Fourth Proportional to 209,774.73, 289,492.26 and 114,281.40

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Solution

The fourth proportional to 209,774.73, 289,492.26 and 114,281.40 is: 157,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,774.73 : 289,492.26 = 114,281.40 : x
  2. Step 2: Convert to fraction form
    209,774.73/289,492.26 = 114,281.40/x
  3. Step 3: Cross multiply
    209,774.73x = 289,492.26 × 114,281.40
  4. Step 4: Simplify right side
    209,774.73x = 33,083,580,761.96
  5. Step 5: Solve for x
    x = 33,083,580,761.96/209,774.73
  6. Step 6: Final answer
    x = 157,710.04

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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.