Home / 190,248.16-285,415.97-57,130.93

Finding the Fourth Proportional to 190,248.16, 285,415.97 and 57,130.93

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Solution

The fourth proportional to 190,248.16, 285,415.97 and 57,130.93 is: 85,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,248.16 : 285,415.97 = 57,130.93 : x
  2. Step 2: Convert to fraction form
    190,248.16/285,415.97 = 57,130.93/x
  3. Step 3: Cross multiply
    190,248.16x = 285,415.97 × 57,130.93
  4. Step 4: Simplify right side
    190,248.16x = 16,306,079,802.95
  5. Step 5: Solve for x
    x = 16,306,079,802.95/190,248.16
  6. Step 6: Final answer
    x = 85,709.53

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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.