Home / 237,911.81-328,317.63-135,968.90

Finding the Fourth Proportional to 237,911.81, 328,317.63 and 135,968.90

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Solution

The fourth proportional to 237,911.81, 328,317.63 and 135,968.90 is: 187,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,911.81 : 328,317.63 = 135,968.90 : x
  2. Step 2: Convert to fraction form
    237,911.81/328,317.63 = 135,968.90/x
  3. Step 3: Cross multiply
    237,911.81x = 328,317.63 × 135,968.90
  4. Step 4: Simplify right side
    237,911.81x = 44,640,987,822.50
  5. Step 5: Solve for x
    x = 44,640,987,822.50/237,911.81
  6. Step 6: Final answer
    x = 187,636.70

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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.