Home / 186,455.18-257,305.82-101,570.42

Finding the Fourth Proportional to 186,455.18, 257,305.82 and 101,570.42

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Solution

The fourth proportional to 186,455.18, 257,305.82 and 101,570.42 is: 140,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,455.18 : 257,305.82 = 101,570.42 : x
  2. Step 2: Convert to fraction form
    186,455.18/257,305.82 = 101,570.42/x
  3. Step 3: Cross multiply
    186,455.18x = 257,305.82 × 101,570.42
  4. Step 4: Simplify right side
    186,455.18x = 26,134,660,205.84
  5. Step 5: Solve for x
    x = 26,134,660,205.84/186,455.18
  6. Step 6: Final answer
    x = 140,165.91

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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.