Home / 186,538.29-257,415.34-101,653.53

Finding the Fourth Proportional to 186,538.29, 257,415.34 and 101,653.53

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Solution

The fourth proportional to 186,538.29, 257,415.34 and 101,653.53 is: 140,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,538.29 : 257,415.34 = 101,653.53 : x
  2. Step 2: Convert to fraction form
    186,538.29/257,415.34 = 101,653.53/x
  3. Step 3: Cross multiply
    186,538.29x = 257,415.34 × 101,653.53
  4. Step 4: Simplify right side
    186,538.29x = 26,167,177,987.15
  5. Step 5: Solve for x
    x = 26,167,177,987.15/186,538.29
  6. Step 6: Final answer
    x = 140,277.78

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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.