Home / 340,365.75-469,715.94-187,415.18

Finding the Fourth Proportional to 340,365.75, 469,715.94 and 187,415.18

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Solution

The fourth proportional to 340,365.75, 469,715.94 and 187,415.18 is: 258,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,365.75 : 469,715.94 = 187,415.18 : x
  2. Step 2: Convert to fraction form
    340,365.75/469,715.94 = 187,415.18/x
  3. Step 3: Cross multiply
    340,365.75x = 469,715.94 × 187,415.18
  4. Step 4: Simplify right side
    340,365.75x = 88,031,894,158.31
  5. Step 5: Solve for x
    x = 88,031,894,158.31/340,365.75
  6. Step 6: Final answer
    x = 258,639.11

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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.