Home / 186,288.46-257,071.53-101,403.70

Finding the Fourth Proportional to 186,288.46, 257,071.53 and 101,403.70

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Solution

The fourth proportional to 186,288.46, 257,071.53 and 101,403.70 is: 139,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,288.46 : 257,071.53 = 101,403.70 : x
  2. Step 2: Convert to fraction form
    186,288.46/257,071.53 = 101,403.70/x
  3. Step 3: Cross multiply
    186,288.46x = 257,071.53 × 101,403.70
  4. Step 4: Simplify right side
    186,288.46x = 26,068,004,306.66
  5. Step 5: Solve for x
    x = 26,068,004,306.66/186,288.46
  6. Step 6: Final answer
    x = 139,933.54

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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.