Home / 160,683.18-221,739-92,700.30

Finding the Fourth Proportional to 160,683.18, 221,739 and 92,700.30

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Solution

The fourth proportional to 160,683.18, 221,739 and 92,700.30 is: 127,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,683.18 : 221,739 = 92,700.30 : x
  2. Step 2: Convert to fraction form
    160,683.18/221,739 = 92,700.30/x
  3. Step 3: Cross multiply
    160,683.18x = 221,739 × 92,700.30
  4. Step 4: Simplify right side
    160,683.18x = 20,555,271,821.70
  5. Step 5: Solve for x
    x = 20,555,271,821.70/160,683.18
  6. Step 6: Final answer
    x = 127,924.23

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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.