Home / 112,130.02-168,307.26-80,577.10

Finding the Fourth Proportional to 112,130.02, 168,307.26 and 80,577.10

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Solution

The fourth proportional to 112,130.02, 168,307.26 and 80,577.10 is: 120,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,130.02 : 168,307.26 = 80,577.10 : x
  2. Step 2: Convert to fraction form
    112,130.02/168,307.26 = 80,577.10/x
  3. Step 3: Cross multiply
    112,130.02x = 168,307.26 × 80,577.10
  4. Step 4: Simplify right side
    112,130.02x = 13,561,710,919.75
  5. Step 5: Solve for x
    x = 13,561,710,919.75/112,130.02
  6. Step 6: Final answer
    x = 120,946.30

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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.