Home / 186,666.72-257,601.24-101,785.20

Finding the Fourth Proportional to 186,666.72, 257,601.24 and 101,785.20

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Solution

The fourth proportional to 186,666.72, 257,601.24 and 101,785.20 is: 140,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,666.72 : 257,601.24 = 101,785.20 : x
  2. Step 2: Convert to fraction form
    186,666.72/257,601.24 = 101,785.20/x
  3. Step 3: Cross multiply
    186,666.72x = 257,601.24 × 101,785.20
  4. Step 4: Simplify right side
    186,666.72x = 26,219,993,733.65
  5. Step 5: Solve for x
    x = 26,219,993,733.65/186,666.72
  6. Step 6: Final answer
    x = 140,464.21

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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.