Home / 316,340.47-436,554.66-173,113.84

Finding the Fourth Proportional to 316,340.47, 436,554.66 and 173,113.84

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Solution

The fourth proportional to 316,340.47, 436,554.66 and 173,113.84 is: 238,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,340.47 : 436,554.66 = 173,113.84 : x
  2. Step 2: Convert to fraction form
    316,340.47/436,554.66 = 173,113.84/x
  3. Step 3: Cross multiply
    316,340.47x = 436,554.66 × 173,113.84
  4. Step 4: Simplify right side
    316,340.47x = 75,573,653,562.49
  5. Step 5: Solve for x
    x = 75,573,653,562.49/316,340.47
  6. Step 6: Final answer
    x = 238,899.73

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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.