Home / 209,603.52-289,258.04-114,115.46

Finding the Fourth Proportional to 209,603.52, 289,258.04 and 114,115.46

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Solution

The fourth proportional to 209,603.52, 289,258.04 and 114,115.46 is: 157,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,603.52 : 289,258.04 = 114,115.46 : x
  2. Step 2: Convert to fraction form
    209,603.52/289,258.04 = 114,115.46/x
  3. Step 3: Cross multiply
    209,603.52x = 289,258.04 × 114,115.46
  4. Step 4: Simplify right side
    209,603.52x = 33,008,814,293.30
  5. Step 5: Solve for x
    x = 33,008,814,293.30/209,603.52
  6. Step 6: Final answer
    x = 157,482.16

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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.