Home / 319,312.75-440,629.06-176,069.73

Finding the Fourth Proportional to 319,312.75, 440,629.06 and 176,069.73

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Solution

The fourth proportional to 319,312.75, 440,629.06 and 176,069.73 is: 242,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,312.75 : 440,629.06 = 176,069.73 : x
  2. Step 2: Convert to fraction form
    319,312.75/440,629.06 = 176,069.73/x
  3. Step 3: Cross multiply
    319,312.75x = 440,629.06 × 176,069.73
  4. Step 4: Simplify right side
    319,312.75x = 77,581,439,624.35
  5. Step 5: Solve for x
    x = 77,581,439,624.35/319,312.75
  6. Step 6: Final answer
    x = 242,963.80

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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.