Home / 182,781.55-273,985.40-70,417.74

Finding the Fourth Proportional to 182,781.55, 273,985.40 and 70,417.74

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Solution

The fourth proportional to 182,781.55, 273,985.40 and 70,417.74 is: 105,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,781.55 : 273,985.40 = 70,417.74 : x
  2. Step 2: Convert to fraction form
    182,781.55/273,985.40 = 70,417.74/x
  3. Step 3: Cross multiply
    182,781.55x = 273,985.40 × 70,417.74
  4. Step 4: Simplify right side
    182,781.55x = 19,293,433,864.49
  5. Step 5: Solve for x
    x = 19,293,433,864.49/182,781.55
  6. Step 6: Final answer
    x = 105,554.60

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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.