Home / 316,361.49-436,564.85-173,127.57

Finding the Fourth Proportional to 316,361.49, 436,564.85 and 173,127.57

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Solution

The fourth proportional to 316,361.49, 436,564.85 and 173,127.57 is: 238,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,361.49 : 436,564.85 = 173,127.57 : x
  2. Step 2: Convert to fraction form
    316,361.49/436,564.85 = 173,127.57/x
  3. Step 3: Cross multiply
    316,361.49x = 436,564.85 × 173,127.57
  4. Step 4: Simplify right side
    316,361.49x = 75,581,411,627.91
  5. Step 5: Solve for x
    x = 75,581,411,627.91/316,361.49
  6. Step 6: Final answer
    x = 238,908.38

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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.