Home / 194,295.23-291,482.13-81,975.72

Finding the Fourth Proportional to 194,295.23, 291,482.13 and 81,975.72

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Solution

The fourth proportional to 194,295.23, 291,482.13 and 81,975.72 is: 122,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,295.23 : 291,482.13 = 81,975.72 : x
  2. Step 2: Convert to fraction form
    194,295.23/291,482.13 = 81,975.72/x
  3. Step 3: Cross multiply
    194,295.23x = 291,482.13 × 81,975.72
  4. Step 4: Simplify right side
    194,295.23x = 23,894,457,473.88
  5. Step 5: Solve for x
    x = 23,894,457,473.88/194,295.23
  6. Step 6: Final answer
    x = 122,980.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.