Home / 186,745.13-257,717.39-105,098.88

Finding the Fourth Proportional to 186,745.13, 257,717.39 and 105,098.88

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Solution

The fourth proportional to 186,745.13, 257,717.39 and 105,098.88 is: 145,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,745.13 : 257,717.39 = 105,098.88 : x
  2. Step 2: Convert to fraction form
    186,745.13/257,717.39 = 105,098.88/x
  3. Step 3: Cross multiply
    186,745.13x = 257,717.39 × 105,098.88
  4. Step 4: Simplify right side
    186,745.13x = 27,085,808,520.03
  5. Step 5: Solve for x
    x = 27,085,808,520.03/186,745.13
  6. Step 6: Final answer
    x = 145,041.58

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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.