Home / 112,098.20-154,690.80-61,109.84

Finding the Fourth Proportional to 112,098.20, 154,690.80 and 61,109.84

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Solution

The fourth proportional to 112,098.20, 154,690.80 and 61,109.84 is: 84,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.20 : 154,690.80 = 61,109.84 : x
  2. Step 2: Convert to fraction form
    112,098.20/154,690.80 = 61,109.84/x
  3. Step 3: Cross multiply
    112,098.20x = 154,690.80 × 61,109.84
  4. Step 4: Simplify right side
    112,098.20x = 9,453,130,037.47
  5. Step 5: Solve for x
    x = 9,453,130,037.47/112,098.20
  6. Step 6: Final answer
    x = 84,329.01

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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.