Home / 238,713.77-358,075.05-191,107.79

Finding the Fourth Proportional to 238,713.77, 358,075.05 and 191,107.79

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Solution

The fourth proportional to 238,713.77, 358,075.05 and 191,107.79 is: 286,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,713.77 : 358,075.05 = 191,107.79 : x
  2. Step 2: Convert to fraction form
    238,713.77/358,075.05 = 191,107.79/x
  3. Step 3: Cross multiply
    238,713.77x = 358,075.05 × 191,107.79
  4. Step 4: Simplify right side
    238,713.77x = 68,430,929,669.26
  5. Step 5: Solve for x
    x = 68,430,929,669.26/238,713.77
  6. Step 6: Final answer
    x = 286,665.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.