Home / 209,643.28-289,303.98-114,148.24

Finding the Fourth Proportional to 209,643.28, 289,303.98 and 114,148.24

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Solution

The fourth proportional to 209,643.28, 289,303.98 and 114,148.24 is: 157,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,643.28 : 289,303.98 = 114,148.24 : x
  2. Step 2: Convert to fraction form
    209,643.28/289,303.98 = 114,148.24/x
  3. Step 3: Cross multiply
    209,643.28x = 289,303.98 × 114,148.24
  4. Step 4: Simplify right side
    209,643.28x = 33,023,540,142.00
  5. Step 5: Solve for x
    x = 33,023,540,142.00/209,643.28
  6. Step 6: Final answer
    x = 157,522.53

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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.