Home / 171,937.12-237,212.40-112,355.68

Finding the Fourth Proportional to 171,937.12, 237,212.40 and 112,355.68

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Solution

The fourth proportional to 171,937.12, 237,212.40 and 112,355.68 is: 155,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,937.12 : 237,212.40 = 112,355.68 : x
  2. Step 2: Convert to fraction form
    171,937.12/237,212.40 = 112,355.68/x
  3. Step 3: Cross multiply
    171,937.12x = 237,212.40 × 112,355.68
  4. Step 4: Simplify right side
    171,937.12x = 26,652,160,506.43
  5. Step 5: Solve for x
    x = 26,652,160,506.43/171,937.12
  6. Step 6: Final answer
    x = 155,011.09

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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.