Home / 194,145.47-291,288.29-67,804.32

Finding the Fourth Proportional to 194,145.47, 291,288.29 and 67,804.32

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Solution

The fourth proportional to 194,145.47, 291,288.29 and 67,804.32 is: 101,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,145.47 : 291,288.29 = 67,804.32 : x
  2. Step 2: Convert to fraction form
    194,145.47/291,288.29 = 67,804.32/x
  3. Step 3: Cross multiply
    194,145.47x = 291,288.29 × 67,804.32
  4. Step 4: Simplify right side
    194,145.47x = 19,750,604,427.41
  5. Step 5: Solve for x
    x = 19,750,604,427.41/194,145.47
  6. Step 6: Final answer
    x = 101,730.96

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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.