Home / 209,618.28-289,275.30-114,124.14

Finding the Fourth Proportional to 209,618.28, 289,275.30 and 114,124.14

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Solution

The fourth proportional to 209,618.28, 289,275.30 and 114,124.14 is: 157,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,618.28 : 289,275.30 = 114,124.14 : x
  2. Step 2: Convert to fraction form
    209,618.28/289,275.30 = 114,124.14/x
  3. Step 3: Cross multiply
    209,618.28x = 289,275.30 × 114,124.14
  4. Step 4: Simplify right side
    209,618.28x = 33,013,294,835.74
  5. Step 5: Solve for x
    x = 33,013,294,835.74/209,618.28
  6. Step 6: Final answer
    x = 157,492.44

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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.