Home / 186,739.83-257,618.88-126,288.18

Finding the Fourth Proportional to 186,739.83, 257,618.88 and 126,288.18

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Solution

The fourth proportional to 186,739.83, 257,618.88 and 126,288.18 is: 174,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,739.83 : 257,618.88 = 126,288.18 : x
  2. Step 2: Convert to fraction form
    186,739.83/257,618.88 = 126,288.18/x
  3. Step 3: Cross multiply
    186,739.83x = 257,618.88 × 126,288.18
  4. Step 4: Simplify right side
    186,739.83x = 32,534,219,488.84
  5. Step 5: Solve for x
    x = 32,534,219,488.84/186,739.83
  6. Step 6: Final answer
    x = 174,222.18

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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.