Home / 117,518.02-162,136.23-66,525.70

Finding the Fourth Proportional to 117,518.02, 162,136.23 and 66,525.70

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Solution

The fourth proportional to 117,518.02, 162,136.23 and 66,525.70 is: 91,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,518.02 : 162,136.23 = 66,525.70 : x
  2. Step 2: Convert to fraction form
    117,518.02/162,136.23 = 66,525.70/x
  3. Step 3: Cross multiply
    117,518.02x = 162,136.23 × 66,525.70
  4. Step 4: Simplify right side
    117,518.02x = 10,786,226,196.11
  5. Step 5: Solve for x
    x = 10,786,226,196.11/117,518.02
  6. Step 6: Final answer
    x = 91,783.59

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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.