Home / 237,840.75-328,190.15-130,382.51

Finding the Fourth Proportional to 237,840.75, 328,190.15 and 130,382.51

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Solution

The fourth proportional to 237,840.75, 328,190.15 and 130,382.51 is: 179,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,840.75 : 328,190.15 = 130,382.51 : x
  2. Step 2: Convert to fraction form
    237,840.75/328,190.15 = 130,382.51/x
  3. Step 3: Cross multiply
    237,840.75x = 328,190.15 × 130,382.51
  4. Step 4: Simplify right side
    237,840.75x = 42,790,254,199.28
  5. Step 5: Solve for x
    x = 42,790,254,199.28/237,840.75
  6. Step 6: Final answer
    x = 179,911.37

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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.