Home / 160,632.37-221,667.09-89,019.06

Finding the Fourth Proportional to 160,632.37, 221,667.09 and 89,019.06

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Solution

The fourth proportional to 160,632.37, 221,667.09 and 89,019.06 is: 122,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,632.37 : 221,667.09 = 89,019.06 : x
  2. Step 2: Convert to fraction form
    160,632.37/221,667.09 = 89,019.06/x
  3. Step 3: Cross multiply
    160,632.37x = 221,667.09 × 89,019.06
  4. Step 4: Simplify right side
    160,632.37x = 19,732,595,984.74
  5. Step 5: Solve for x
    x = 19,732,595,984.74/160,632.37
  6. Step 6: Final answer
    x = 122,843.21

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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.