Home / 190,577.92-263,045.32-129,427.58

Finding the Fourth Proportional to 190,577.92, 263,045.32 and 129,427.58

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Solution

The fourth proportional to 190,577.92, 263,045.32 and 129,427.58 is: 178,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,577.92 : 263,045.32 = 129,427.58 : x
  2. Step 2: Convert to fraction form
    190,577.92/263,045.32 = 129,427.58/x
  3. Step 3: Cross multiply
    190,577.92x = 263,045.32 × 129,427.58
  4. Step 4: Simplify right side
    190,577.92x = 34,045,319,197.93
  5. Step 5: Solve for x
    x = 34,045,319,197.93/190,577.92
  6. Step 6: Final answer
    x = 178,642.52

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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.