Home / 136,913.40-205,281.30-58,006.20

Finding the Fourth Proportional to 136,913.40, 205,281.30 and 58,006.20

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Solution

The fourth proportional to 136,913.40, 205,281.30 and 58,006.20 is: 86,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,913.40 : 205,281.30 = 58,006.20 : x
  2. Step 2: Convert to fraction form
    136,913.40/205,281.30 = 58,006.20/x
  3. Step 3: Cross multiply
    136,913.40x = 205,281.30 × 58,006.20
  4. Step 4: Simplify right side
    136,913.40x = 11,907,588,144.06
  5. Step 5: Solve for x
    x = 11,907,588,144.06/136,913.40
  6. Step 6: Final answer
    x = 86,971.68

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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.