Home / 211,407.03-291,785.63-194,384.25

Finding the Fourth Proportional to 211,407.03, 291,785.63 and 194,384.25

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Solution

The fourth proportional to 211,407.03, 291,785.63 and 194,384.25 is: 268,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,407.03 : 291,785.63 = 194,384.25 : x
  2. Step 2: Convert to fraction form
    211,407.03/291,785.63 = 194,384.25/x
  3. Step 3: Cross multiply
    211,407.03x = 291,785.63 × 194,384.25
  4. Step 4: Simplify right side
    211,407.03x = 56,718,529,876.41
  5. Step 5: Solve for x
    x = 56,718,529,876.41/211,407.03
  6. Step 6: Final answer
    x = 268,290.65

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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.