Home / 171,813.50-237,206.31-112,301.18

Finding the Fourth Proportional to 171,813.50, 237,206.31 and 112,301.18

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Solution

The fourth proportional to 171,813.50, 237,206.31 and 112,301.18 is: 155,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,813.50 : 237,206.31 = 112,301.18 : x
  2. Step 2: Convert to fraction form
    171,813.50/237,206.31 = 112,301.18/x
  3. Step 3: Cross multiply
    171,813.50x = 237,206.31 × 112,301.18
  4. Step 4: Simplify right side
    171,813.50x = 26,638,548,516.45
  5. Step 5: Solve for x
    x = 26,638,548,516.45/171,813.50
  6. Step 6: Final answer
    x = 155,043.40

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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.