Home / 204,705.74-282,494.50-118,681.40

Finding the Fourth Proportional to 204,705.74, 282,494.50 and 118,681.40

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Solution

The fourth proportional to 204,705.74, 282,494.50 and 118,681.40 is: 163,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,705.74 : 282,494.50 = 118,681.40 : x
  2. Step 2: Convert to fraction form
    204,705.74/282,494.50 = 118,681.40/x
  3. Step 3: Cross multiply
    204,705.74x = 282,494.50 × 118,681.40
  4. Step 4: Simplify right side
    204,705.74x = 33,526,842,752.30
  5. Step 5: Solve for x
    x = 33,526,842,752.30/204,705.74
  6. Step 6: Final answer
    x = 163,780.67

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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.