Home / 211,931.12-292,450.20-116,441.84

Finding the Fourth Proportional to 211,931.12, 292,450.20 and 116,441.84

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Solution

The fourth proportional to 211,931.12, 292,450.20 and 116,441.84 is: 160,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,931.12 : 292,450.20 = 116,441.84 : x
  2. Step 2: Convert to fraction form
    211,931.12/292,450.20 = 116,441.84/x
  3. Step 3: Cross multiply
    211,931.12x = 292,450.20 × 116,441.84
  4. Step 4: Simplify right side
    211,931.12x = 34,053,439,396.37
  5. Step 5: Solve for x
    x = 34,053,439,396.37/211,931.12
  6. Step 6: Final answer
    x = 160,681.64

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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.