Home / 139,525.04-192,618.12-112,001.60

Finding the Fourth Proportional to 139,525.04, 192,618.12 and 112,001.60

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Solution

The fourth proportional to 139,525.04, 192,618.12 and 112,001.60 is: 154,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,525.04 : 192,618.12 = 112,001.60 : x
  2. Step 2: Convert to fraction form
    139,525.04/192,618.12 = 112,001.60/x
  3. Step 3: Cross multiply
    139,525.04x = 192,618.12 × 112,001.60
  4. Step 4: Simplify right side
    139,525.04x = 21,573,537,628.99
  5. Step 5: Solve for x
    x = 21,573,537,628.99/139,525.04
  6. Step 6: Final answer
    x = 154,621.26

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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.