Home / 135,598.02-187,127.16-74,349.96

Finding the Fourth Proportional to 135,598.02, 187,127.16 and 74,349.96

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Solution

The fourth proportional to 135,598.02, 187,127.16 and 74,349.96 is: 102,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,598.02 : 187,127.16 = 74,349.96 : x
  2. Step 2: Convert to fraction form
    135,598.02/187,127.16 = 74,349.96/x
  3. Step 3: Cross multiply
    135,598.02x = 187,127.16 × 74,349.96
  4. Step 4: Simplify right side
    135,598.02x = 13,912,896,860.91
  5. Step 5: Solve for x
    x = 13,912,896,860.91/135,598.02
  6. Step 6: Final answer
    x = 102,603.98

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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.