Home / 238,317.57-328,907.43-137,715.57

Finding the Fourth Proportional to 238,317.57, 328,907.43 and 137,715.57

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Solution

The fourth proportional to 238,317.57, 328,907.43 and 137,715.57 is: 190,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,317.57 : 328,907.43 = 137,715.57 : x
  2. Step 2: Convert to fraction form
    238,317.57/328,907.43 = 137,715.57/x
  3. Step 3: Cross multiply
    238,317.57x = 328,907.43 × 137,715.57
  4. Step 4: Simplify right side
    238,317.57x = 45,295,674,199.69
  5. Step 5: Solve for x
    x = 45,295,674,199.69/238,317.57
  6. Step 6: Final answer
    x = 190,064.35

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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.