Home / 207,604.54-286,435-116,928.82

Finding the Fourth Proportional to 207,604.54, 286,435 and 116,928.82

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Solution

The fourth proportional to 207,604.54, 286,435 and 116,928.82 is: 161,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,604.54 : 286,435 = 116,928.82 : x
  2. Step 2: Convert to fraction form
    207,604.54/286,435 = 116,928.82/x
  3. Step 3: Cross multiply
    207,604.54x = 286,435 × 116,928.82
  4. Step 4: Simplify right side
    207,604.54x = 33,492,506,556.70
  5. Step 5: Solve for x
    x = 33,492,506,556.70/207,604.54
  6. Step 6: Final answer
    x = 161,328.39

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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.