Home / 344,132.34-475,075.31-215,142.50

Finding the Fourth Proportional to 344,132.34, 475,075.31 and 215,142.50

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Solution

The fourth proportional to 344,132.34, 475,075.31 and 215,142.50 is: 297,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,132.34 : 475,075.31 = 215,142.50 : x
  2. Step 2: Convert to fraction form
    344,132.34/475,075.31 = 215,142.50/x
  3. Step 3: Cross multiply
    344,132.34x = 475,075.31 × 215,142.50
  4. Step 4: Simplify right side
    344,132.34x = 102,208,886,430.59
  5. Step 5: Solve for x
    x = 102,208,886,430.59/344,132.34
  6. Step 6: Final answer
    x = 297,004.60

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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.