Home / 186,329.16-257,121.27-105,758.33

Finding the Fourth Proportional to 186,329.16, 257,121.27 and 105,758.33

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Solution

The fourth proportional to 186,329.16, 257,121.27 and 105,758.33 is: 145,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,329.16 : 257,121.27 = 105,758.33 : x
  2. Step 2: Convert to fraction form
    186,329.16/257,121.27 = 105,758.33/x
  3. Step 3: Cross multiply
    186,329.16x = 257,121.27 × 105,758.33
  4. Step 4: Simplify right side
    186,329.16x = 27,192,714,837.07
  5. Step 5: Solve for x
    x = 27,192,714,837.07/186,329.16
  6. Step 6: Final answer
    x = 145,939.13

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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.