Home / 186,585.36-257,480.16-101,700.56

Finding the Fourth Proportional to 186,585.36, 257,480.16 and 101,700.56

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Solution

The fourth proportional to 186,585.36, 257,480.16 and 101,700.56 is: 140,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,585.36 : 257,480.16 = 101,700.56 : x
  2. Step 2: Convert to fraction form
    186,585.36/257,480.16 = 101,700.56/x
  3. Step 3: Cross multiply
    186,585.36x = 257,480.16 × 101,700.56
  4. Step 4: Simplify right side
    186,585.36x = 26,185,876,460.89
  5. Step 5: Solve for x
    x = 26,185,876,460.89/186,585.36
  6. Step 6: Final answer
    x = 140,342.61

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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.