Home / 158,754.16-219,080.44-90,772.42

Finding the Fourth Proportional to 158,754.16, 219,080.44 and 90,772.42

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Solution

The fourth proportional to 158,754.16, 219,080.44 and 90,772.42 is: 125,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,754.16 : 219,080.44 = 90,772.42 : x
  2. Step 2: Convert to fraction form
    158,754.16/219,080.44 = 90,772.42/x
  3. Step 3: Cross multiply
    158,754.16x = 219,080.44 × 90,772.42
  4. Step 4: Simplify right side
    158,754.16x = 19,886,461,713.46
  5. Step 5: Solve for x
    x = 19,886,461,713.46/158,754.16
  6. Step 6: Final answer
    x = 125,265.77

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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.