Home / 186,271.55-257,047.59-105,694.27

Finding the Fourth Proportional to 186,271.55, 257,047.59 and 105,694.27

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Solution

The fourth proportional to 186,271.55, 257,047.59 and 105,694.27 is: 145,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271.55 : 257,047.59 = 105,694.27 : x
  2. Step 2: Convert to fraction form
    186,271.55/257,047.59 = 105,694.27/x
  3. Step 3: Cross multiply
    186,271.55x = 257,047.59 × 105,694.27
  4. Step 4: Simplify right side
    186,271.55x = 27,168,457,134.04
  5. Step 5: Solve for x
    x = 27,168,457,134.04/186,271.55
  6. Step 6: Final answer
    x = 145,854.04

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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.