Home / 237,914.55-328,320.54-135,971.19

Finding the Fourth Proportional to 237,914.55, 328,320.54 and 135,971.19

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Solution

The fourth proportional to 237,914.55, 328,320.54 and 135,971.19 is: 187,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,914.55 : 328,320.54 = 135,971.19 : x
  2. Step 2: Convert to fraction form
    237,914.55/328,320.54 = 135,971.19/x
  3. Step 3: Cross multiply
    237,914.55x = 328,320.54 × 135,971.19
  4. Step 4: Simplify right side
    237,914.55x = 44,642,134,525.24
  5. Step 5: Solve for x
    x = 44,642,134,525.24/237,914.55
  6. Step 6: Final answer
    x = 187,639.36

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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.