Home / 311,153.04-429,396.66-183,828.33

Finding the Fourth Proportional to 311,153.04, 429,396.66 and 183,828.33

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Solution

The fourth proportional to 311,153.04, 429,396.66 and 183,828.33 is: 253,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,153.04 : 429,396.66 = 183,828.33 : x
  2. Step 2: Convert to fraction form
    311,153.04/429,396.66 = 183,828.33/x
  3. Step 3: Cross multiply
    311,153.04x = 429,396.66 × 183,828.33
  4. Step 4: Simplify right side
    311,153.04x = 78,935,270,915.38
  5. Step 5: Solve for x
    x = 78,935,270,915.38/311,153.04
  6. Step 6: Final answer
    x = 253,686.32

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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.