Home / 186,305.32-257,101.24-101,422.36

Finding the Fourth Proportional to 186,305.32, 257,101.24 and 101,422.36

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Solution

The fourth proportional to 186,305.32, 257,101.24 and 101,422.36 is: 139,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,305.32 : 257,101.24 = 101,422.36 : x
  2. Step 2: Convert to fraction form
    186,305.32/257,101.24 = 101,422.36/x
  3. Step 3: Cross multiply
    186,305.32x = 257,101.24 × 101,422.36
  4. Step 4: Simplify right side
    186,305.32x = 26,075,814,519.73
  5. Step 5: Solve for x
    x = 26,075,814,519.73/186,305.32
  6. Step 6: Final answer
    x = 139,962.80

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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.