Home / 186,900.54-257,923.06-102,017.66

Finding the Fourth Proportional to 186,900.54, 257,923.06 and 102,017.66

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Solution

The fourth proportional to 186,900.54, 257,923.06 and 102,017.66 is: 140,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,900.54 : 257,923.06 = 102,017.66 : x
  2. Step 2: Convert to fraction form
    186,900.54/257,923.06 = 102,017.66/x
  3. Step 3: Cross multiply
    186,900.54x = 257,923.06 × 102,017.66
  4. Step 4: Simplify right side
    186,900.54x = 26,312,707,041.24
  5. Step 5: Solve for x
    x = 26,312,707,041.24/186,900.54
  6. Step 6: Final answer
    x = 140,784.54

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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.