Home / 186,841.72-257,840.16-106,269.15

Finding the Fourth Proportional to 186,841.72, 257,840.16 and 106,269.15

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Solution

The fourth proportional to 186,841.72, 257,840.16 and 106,269.15 is: 146,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,841.72 : 257,840.16 = 106,269.15 : x
  2. Step 2: Convert to fraction form
    186,841.72/257,840.16 = 106,269.15/x
  3. Step 3: Cross multiply
    186,841.72x = 257,840.16 × 106,269.15
  4. Step 4: Simplify right side
    186,841.72x = 27,400,452,818.52
  5. Step 5: Solve for x
    x = 27,400,452,818.52/186,841.72
  6. Step 6: Final answer
    x = 146,650.61

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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.