Home / 133,298.81-199,907.85-70,084.87

Finding the Fourth Proportional to 133,298.81, 199,907.85 and 70,084.87

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Solution

The fourth proportional to 133,298.81, 199,907.85 and 70,084.87 is: 105,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,298.81 : 199,907.85 = 70,084.87 : x
  2. Step 2: Convert to fraction form
    133,298.81/199,907.85 = 70,084.87/x
  3. Step 3: Cross multiply
    133,298.81x = 199,907.85 × 70,084.87
  4. Step 4: Simplify right side
    133,298.81x = 14,010,515,679.23
  5. Step 5: Solve for x
    x = 14,010,515,679.23/133,298.81
  6. Step 6: Final answer
    x = 105,106.08

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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.