Home / 112,136.02-168,316.26-80,583.10

Finding the Fourth Proportional to 112,136.02, 168,316.26 and 80,583.10

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Solution

The fourth proportional to 112,136.02, 168,316.26 and 80,583.10 is: 120,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,136.02 : 168,316.26 = 80,583.10 : x
  2. Step 2: Convert to fraction form
    112,136.02/168,316.26 = 80,583.10/x
  3. Step 3: Cross multiply
    112,136.02x = 168,316.26 × 80,583.10
  4. Step 4: Simplify right side
    112,136.02x = 13,563,446,011.21
  5. Step 5: Solve for x
    x = 13,563,446,011.21/112,136.02
  6. Step 6: Final answer
    x = 120,955.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.