Home / 452,213.23-678,312.82-152,904.01

Finding the Fourth Proportional to 452,213.23, 678,312.82 and 152,904.01

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Solution

The fourth proportional to 452,213.23, 678,312.82 and 152,904.01 is: 229,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,213.23 : 678,312.82 = 152,904.01 : x
  2. Step 2: Convert to fraction form
    452,213.23/678,312.82 = 152,904.01/x
  3. Step 3: Cross multiply
    452,213.23x = 678,312.82 × 152,904.01
  4. Step 4: Simplify right side
    452,213.23x = 103,716,750,212.41
  5. Step 5: Solve for x
    x = 103,716,750,212.41/452,213.23
  6. Step 6: Final answer
    x = 229,353.64

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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.