Home / 171,037.15-256,555.73-166,116.40

Finding the Fourth Proportional to 171,037.15, 256,555.73 and 166,116.40

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Solution

The fourth proportional to 171,037.15, 256,555.73 and 166,116.40 is: 249,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,037.15 : 256,555.73 = 166,116.40 : x
  2. Step 2: Convert to fraction form
    171,037.15/256,555.73 = 166,116.40/x
  3. Step 3: Cross multiply
    171,037.15x = 256,555.73 × 166,116.40
  4. Step 4: Simplify right side
    171,037.15x = 42,618,114,266.97
  5. Step 5: Solve for x
    x = 42,618,114,266.97/171,037.15
  6. Step 6: Final answer
    x = 249,174.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.