Home / 452,212.73-678,312.07-152,903.51

Finding the Fourth Proportional to 452,212.73, 678,312.07 and 152,903.51

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Solution

The fourth proportional to 452,212.73, 678,312.07 and 152,903.51 is: 229,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,212.73 : 678,312.07 = 152,903.51 : x
  2. Step 2: Convert to fraction form
    452,212.73/678,312.07 = 152,903.51/x
  3. Step 3: Cross multiply
    452,212.73x = 678,312.07 × 152,903.51
  4. Step 4: Simplify right side
    452,212.73x = 103,716,296,378.37
  5. Step 5: Solve for x
    x = 103,716,296,378.37/452,212.73
  6. Step 6: Final answer
    x = 229,352.89

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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.