Home / 129,461.12-194,190.04-70,671.32

Finding the Fourth Proportional to 129,461.12, 194,190.04 and 70,671.32

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Solution

The fourth proportional to 129,461.12, 194,190.04 and 70,671.32 is: 106,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,461.12 : 194,190.04 = 70,671.32 : x
  2. Step 2: Convert to fraction form
    129,461.12/194,190.04 = 70,671.32/x
  3. Step 3: Cross multiply
    129,461.12x = 194,190.04 × 70,671.32
  4. Step 4: Simplify right side
    129,461.12x = 13,723,666,457.65
  5. Step 5: Solve for x
    x = 13,723,666,457.65/129,461.12
  6. Step 6: Final answer
    x = 106,006.08

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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.