Home / 293,411.88-405,156.60-186,172.20

Finding the Fourth Proportional to 293,411.88, 405,156.60 and 186,172.20

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Solution

The fourth proportional to 293,411.88, 405,156.60 and 186,172.20 is: 257,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,411.88 : 405,156.60 = 186,172.20 : x
  2. Step 2: Convert to fraction form
    293,411.88/405,156.60 = 186,172.20/x
  3. Step 3: Cross multiply
    293,411.88x = 405,156.60 × 186,172.20
  4. Step 4: Simplify right side
    293,411.88x = 75,428,895,566.52
  5. Step 5: Solve for x
    x = 75,428,895,566.52/293,411.88
  6. Step 6: Final answer
    x = 257,075.12

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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.