Home / 190,364.21-262,704.17-105,482.69

Finding the Fourth Proportional to 190,364.21, 262,704.17 and 105,482.69

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Solution

The fourth proportional to 190,364.21, 262,704.17 and 105,482.69 is: 145,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,364.21 : 262,704.17 = 105,482.69 : x
  2. Step 2: Convert to fraction form
    190,364.21/262,704.17 = 105,482.69/x
  3. Step 3: Cross multiply
    190,364.21x = 262,704.17 × 105,482.69
  4. Step 4: Simplify right side
    190,364.21x = 27,710,742,525.82
  5. Step 5: Solve for x
    x = 27,710,742,525.82/190,364.21
  6. Step 6: Final answer
    x = 145,566.98

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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.