Home / 187,090.16-280,637.64-62,431.16

Finding the Fourth Proportional to 187,090.16, 280,637.64 and 62,431.16

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Solution

The fourth proportional to 187,090.16, 280,637.64 and 62,431.16 is: 93,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,090.16 : 280,637.64 = 62,431.16 : x
  2. Step 2: Convert to fraction form
    187,090.16/280,637.64 = 62,431.16/x
  3. Step 3: Cross multiply
    187,090.16x = 280,637.64 × 62,431.16
  4. Step 4: Simplify right side
    187,090.16x = 17,520,533,404.86
  5. Step 5: Solve for x
    x = 17,520,533,404.86/187,090.16
  6. Step 6: Final answer
    x = 93,647.54

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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.