Home / 136,065.61-204,116.89-47,307.63

Finding the Fourth Proportional to 136,065.61, 204,116.89 and 47,307.63

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Solution

The fourth proportional to 136,065.61, 204,116.89 and 47,307.63 is: 70,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,065.61 : 204,116.89 = 47,307.63 : x
  2. Step 2: Convert to fraction form
    136,065.61/204,116.89 = 47,307.63/x
  3. Step 3: Cross multiply
    136,065.61x = 204,116.89 × 47,307.63
  4. Step 4: Simplify right side
    136,065.61x = 9,656,286,308.87
  5. Step 5: Solve for x
    x = 9,656,286,308.87/136,065.61
  6. Step 6: Final answer
    x = 70,967.87

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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.