Home / 160,632.29-221,673.86-89,013.51

Finding the Fourth Proportional to 160,632.29, 221,673.86 and 89,013.51

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Solution

The fourth proportional to 160,632.29, 221,673.86 and 89,013.51 is: 122,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,632.29 : 221,673.86 = 89,013.51 : x
  2. Step 2: Convert to fraction form
    160,632.29/221,673.86 = 89,013.51/x
  3. Step 3: Cross multiply
    160,632.29x = 221,673.86 × 89,013.51
  4. Step 4: Simplify right side
    160,632.29x = 19,731,968,353.85
  5. Step 5: Solve for x
    x = 19,731,968,353.85/160,632.29
  6. Step 6: Final answer
    x = 122,839.36

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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.