Home / 186,235.10-257,009.82-101,357.54

Finding the Fourth Proportional to 186,235.10, 257,009.82 and 101,357.54

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Solution

The fourth proportional to 186,235.10, 257,009.82 and 101,357.54 is: 139,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,235.10 : 257,009.82 = 101,357.54 : x
  2. Step 2: Convert to fraction form
    186,235.10/257,009.82 = 101,357.54/x
  3. Step 3: Cross multiply
    186,235.10x = 257,009.82 × 101,357.54
  4. Step 4: Simplify right side
    186,235.10x = 26,049,883,111.04
  5. Step 5: Solve for x
    x = 26,049,883,111.04/186,235.10
  6. Step 6: Final answer
    x = 139,876.33

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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.