Home / 183,012.11-252,455.74-128,647.85

Finding the Fourth Proportional to 183,012.11, 252,455.74 and 128,647.85

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Solution

The fourth proportional to 183,012.11, 252,455.74 and 128,647.85 is: 177,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,012.11 : 252,455.74 = 128,647.85 : x
  2. Step 2: Convert to fraction form
    183,012.11/252,455.74 = 128,647.85/x
  3. Step 3: Cross multiply
    183,012.11x = 252,455.74 × 128,647.85
  4. Step 4: Simplify right side
    183,012.11x = 32,477,886,587.26
  5. Step 5: Solve for x
    x = 32,477,886,587.26/183,012.11
  6. Step 6: Final answer
    x = 177,463.05

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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.