Home / 154,444.83-213,257.86-124,133.01

Finding the Fourth Proportional to 154,444.83, 213,257.86 and 124,133.01

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Solution

The fourth proportional to 154,444.83, 213,257.86 and 124,133.01 is: 171,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,444.83 : 213,257.86 = 124,133.01 : x
  2. Step 2: Convert to fraction form
    154,444.83/213,257.86 = 124,133.01/x
  3. Step 3: Cross multiply
    154,444.83x = 213,257.86 × 124,133.01
  4. Step 4: Simplify right side
    154,444.83x = 26,472,339,656.16
  5. Step 5: Solve for x
    x = 26,472,339,656.16/154,444.83
  6. Step 6: Final answer
    x = 171,403.21

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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.