Home / 160,389.36-221,386.62-92,451.74

Finding the Fourth Proportional to 160,389.36, 221,386.62 and 92,451.74

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Solution

The fourth proportional to 160,389.36, 221,386.62 and 92,451.74 is: 127,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,389.36 : 221,386.62 = 92,451.74 : x
  2. Step 2: Convert to fraction form
    160,389.36/221,386.62 = 92,451.74/x
  3. Step 3: Cross multiply
    160,389.36x = 221,386.62 × 92,451.74
  4. Step 4: Simplify right side
    160,389.36x = 20,467,577,124.79
  5. Step 5: Solve for x
    x = 20,467,577,124.79/160,389.36
  6. Step 6: Final answer
    x = 127,611.81

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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.