Home / 345,030.85-476,156.51-192,075.31

Finding the Fourth Proportional to 345,030.85, 476,156.51 and 192,075.31

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Solution

The fourth proportional to 345,030.85, 476,156.51 and 192,075.31 is: 265,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,030.85 : 476,156.51 = 192,075.31 : x
  2. Step 2: Convert to fraction form
    345,030.85/476,156.51 = 192,075.31/x
  3. Step 3: Cross multiply
    345,030.85x = 476,156.51 × 192,075.31
  4. Step 4: Simplify right side
    345,030.85x = 91,457,909,266.77
  5. Step 5: Solve for x
    x = 91,457,909,266.77/345,030.85
  6. Step 6: Final answer
    x = 265,071.69

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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.