Home / 145,554.38-218,331.54-40,373.34

Finding the Fourth Proportional to 145,554.38, 218,331.54 and 40,373.34

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Solution

The fourth proportional to 145,554.38, 218,331.54 and 40,373.34 is: 60,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,554.38 : 218,331.54 = 40,373.34 : x
  2. Step 2: Convert to fraction form
    145,554.38/218,331.54 = 40,373.34/x
  3. Step 3: Cross multiply
    145,554.38x = 218,331.54 × 40,373.34
  4. Step 4: Simplify right side
    145,554.38x = 8,814,773,497.14
  5. Step 5: Solve for x
    x = 8,814,773,497.14/145,554.38
  6. Step 6: Final answer
    x = 60,560.00

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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.