Home / 160,389.07-221,386.21-92,451.45

Finding the Fourth Proportional to 160,389.07, 221,386.21 and 92,451.45

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Solution

The fourth proportional to 160,389.07, 221,386.21 and 92,451.45 is: 127,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,389.07 : 221,386.21 = 92,451.45 : x
  2. Step 2: Convert to fraction form
    160,389.07/221,386.21 = 92,451.45/x
  3. Step 3: Cross multiply
    160,389.07x = 221,386.21 × 92,451.45
  4. Step 4: Simplify right side
    160,389.07x = 20,467,476,124.50
  5. Step 5: Solve for x
    x = 20,467,476,124.50/160,389.07
  6. Step 6: Final answer
    x = 127,611.41

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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.