Home / 313,501.82-432,576.33-186,208.70

Finding the Fourth Proportional to 313,501.82, 432,576.33 and 186,208.70

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Solution

The fourth proportional to 313,501.82, 432,576.33 and 186,208.70 is: 256,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,501.82 : 432,576.33 = 186,208.70 : x
  2. Step 2: Convert to fraction form
    313,501.82/432,576.33 = 186,208.70/x
  3. Step 3: Cross multiply
    313,501.82x = 432,576.33 × 186,208.70
  4. Step 4: Simplify right side
    313,501.82x = 80,549,476,060.07
  5. Step 5: Solve for x
    x = 80,549,476,060.07/313,501.82
  6. Step 6: Final answer
    x = 256,934.64

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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.