Home / 186,896.16-257,920.20-102,016.26

Finding the Fourth Proportional to 186,896.16, 257,920.20 and 102,016.26

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Solution

The fourth proportional to 186,896.16, 257,920.20 and 102,016.26 is: 140,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,896.16 : 257,920.20 = 102,016.26 : x
  2. Step 2: Convert to fraction form
    186,896.16/257,920.20 = 102,016.26/x
  3. Step 3: Cross multiply
    186,896.16x = 257,920.20 × 102,016.26
  4. Step 4: Simplify right side
    186,896.16x = 26,312,054,182.45
  5. Step 5: Solve for x
    x = 26,312,054,182.45/186,896.16
  6. Step 6: Final answer
    x = 140,784.35

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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.