Home / 316,828.14-437,222.76-189,533.66

Finding the Fourth Proportional to 316,828.14, 437,222.76 and 189,533.66

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Solution

The fourth proportional to 316,828.14, 437,222.76 and 189,533.66 is: 261,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,828.14 : 437,222.76 = 189,533.66 : x
  2. Step 2: Convert to fraction form
    316,828.14/437,222.76 = 189,533.66/x
  3. Step 3: Cross multiply
    316,828.14x = 437,222.76 × 189,533.66
  4. Step 4: Simplify right side
    316,828.14x = 82,868,429,938.10
  5. Step 5: Solve for x
    x = 82,868,429,938.10/316,828.14
  6. Step 6: Final answer
    x = 261,556.41

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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.