Home / 111,808.91-154,445.09-110,182.34

Finding the Fourth Proportional to 111,808.91, 154,445.09 and 110,182.34

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Solution

The fourth proportional to 111,808.91, 154,445.09 and 110,182.34 is: 152,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,808.91 : 154,445.09 = 110,182.34 : x
  2. Step 2: Convert to fraction form
    111,808.91/154,445.09 = 110,182.34/x
  3. Step 3: Cross multiply
    111,808.91x = 154,445.09 × 110,182.34
  4. Step 4: Simplify right side
    111,808.91x = 17,017,121,417.71
  5. Step 5: Solve for x
    x = 17,017,121,417.71/111,808.91
  6. Step 6: Final answer
    x = 152,198.26

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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.