Home / 141,415.65-212,090.64-52,710.93

Finding the Fourth Proportional to 141,415.65, 212,090.64 and 52,710.93

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Solution

The fourth proportional to 141,415.65, 212,090.64 and 52,710.93 is: 79,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,415.65 : 212,090.64 = 52,710.93 : x
  2. Step 2: Convert to fraction form
    141,415.65/212,090.64 = 52,710.93/x
  3. Step 3: Cross multiply
    141,415.65x = 212,090.64 × 52,710.93
  4. Step 4: Simplify right side
    141,415.65x = 11,179,494,878.70
  5. Step 5: Solve for x
    x = 11,179,494,878.70/141,415.65
  6. Step 6: Final answer
    x = 79,054.16

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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.