Home / 186,237.21-257,013.18-105,668.13

Finding the Fourth Proportional to 186,237.21, 257,013.18 and 105,668.13

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Solution

The fourth proportional to 186,237.21, 257,013.18 and 105,668.13 is: 145,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,237.21 : 257,013.18 = 105,668.13 : x
  2. Step 2: Convert to fraction form
    186,237.21/257,013.18 = 105,668.13/x
  3. Step 3: Cross multiply
    186,237.21x = 257,013.18 × 105,668.13
  4. Step 4: Simplify right side
    186,237.21x = 27,158,102,115.95
  5. Step 5: Solve for x
    x = 27,158,102,115.95/186,237.21
  6. Step 6: Final answer
    x = 145,825.33

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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.