Home / 314,934.63-434,618.06-194,155.71

Finding the Fourth Proportional to 314,934.63, 434,618.06 and 194,155.71

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Solution

The fourth proportional to 314,934.63, 434,618.06 and 194,155.71 is: 267,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,934.63 : 434,618.06 = 194,155.71 : x
  2. Step 2: Convert to fraction form
    314,934.63/434,618.06 = 194,155.71/x
  3. Step 3: Cross multiply
    314,934.63x = 434,618.06 × 194,155.71
  4. Step 4: Simplify right side
    314,934.63x = 84,383,577,047.34
  5. Step 5: Solve for x
    x = 84,383,577,047.34/314,934.63
  6. Step 6: Final answer
    x = 267,939.98

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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.