Home / 459,040.80-688,506.42-122,106.11

Finding the Fourth Proportional to 459,040.80, 688,506.42 and 122,106.11

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Solution

The fourth proportional to 459,040.80, 688,506.42 and 122,106.11 is: 183,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,040.80 : 688,506.42 = 122,106.11 : x
  2. Step 2: Convert to fraction form
    459,040.80/688,506.42 = 122,106.11/x
  3. Step 3: Cross multiply
    459,040.80x = 688,506.42 × 122,106.11
  4. Step 4: Simplify right side
    459,040.80x = 84,070,840,656.23
  5. Step 5: Solve for x
    x = 84,070,840,656.23/459,040.80
  6. Step 6: Final answer
    x = 183,144.59

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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.