Home / 127,798.05-176,361.32-74,114.21

Finding the Fourth Proportional to 127,798.05, 176,361.32 and 74,114.21

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Solution

The fourth proportional to 127,798.05, 176,361.32 and 74,114.21 is: 102,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,798.05 : 176,361.32 = 74,114.21 : x
  2. Step 2: Convert to fraction form
    127,798.05/176,361.32 = 74,114.21/x
  3. Step 3: Cross multiply
    127,798.05x = 176,361.32 × 74,114.21
  4. Step 4: Simplify right side
    127,798.05x = 13,070,878,653.98
  5. Step 5: Solve for x
    x = 13,070,878,653.98/127,798.05
  6. Step 6: Final answer
    x = 102,277.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.