Home / 190,276.16-285,458.04-57,159

Finding the Fourth Proportional to 190,276.16, 285,458.04 and 57,159

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Solution

The fourth proportional to 190,276.16, 285,458.04 and 57,159 is: 85,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,276.16 : 285,458.04 = 57,159 : x
  2. Step 2: Convert to fraction form
    190,276.16/285,458.04 = 57,159/x
  3. Step 3: Cross multiply
    190,276.16x = 285,458.04 × 57,159
  4. Step 4: Simplify right side
    190,276.16x = 16,316,496,108.36
  5. Step 5: Solve for x
    x = 16,316,496,108.36/190,276.16
  6. Step 6: Final answer
    x = 85,751.66

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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.