Home / 329,764.50-455,075.07-186,521.46

Finding the Fourth Proportional to 329,764.50, 455,075.07 and 186,521.46

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Solution

The fourth proportional to 329,764.50, 455,075.07 and 186,521.46 is: 257,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,764.50 : 455,075.07 = 186,521.46 : x
  2. Step 2: Convert to fraction form
    329,764.50/455,075.07 = 186,521.46/x
  3. Step 3: Cross multiply
    329,764.50x = 455,075.07 × 186,521.46
  4. Step 4: Simplify right side
    329,764.50x = 84,881,266,466.00
  5. Step 5: Solve for x
    x = 84,881,266,466.00/329,764.50
  6. Step 6: Final answer
    x = 257,399.65

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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.