Home / 328,338.57-453,087.70-190,506.85

Finding the Fourth Proportional to 328,338.57, 453,087.70 and 190,506.85

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Solution

The fourth proportional to 328,338.57, 453,087.70 and 190,506.85 is: 262,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,338.57 : 453,087.70 = 190,506.85 : x
  2. Step 2: Convert to fraction form
    328,338.57/453,087.70 = 190,506.85/x
  3. Step 3: Cross multiply
    328,338.57x = 453,087.70 × 190,506.85
  4. Step 4: Simplify right side
    328,338.57x = 86,316,308,891.76
  5. Step 5: Solve for x
    x = 86,316,308,891.76/328,338.57
  6. Step 6: Final answer
    x = 262,888.12

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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.