Home / 192,555.10-265,726.92-107,672.20

Finding the Fourth Proportional to 192,555.10, 265,726.92 and 107,672.20

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Solution

The fourth proportional to 192,555.10, 265,726.92 and 107,672.20 is: 148,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,555.10 : 265,726.92 = 107,672.20 : x
  2. Step 2: Convert to fraction form
    192,555.10/265,726.92 = 107,672.20/x
  3. Step 3: Cross multiply
    192,555.10x = 265,726.92 × 107,672.20
  4. Step 4: Simplify right side
    192,555.10x = 28,611,402,075.62
  5. Step 5: Solve for x
    x = 28,611,402,075.62/192,555.10
  6. Step 6: Final answer
    x = 148,588.13

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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.