Home / 127,386.07-191,072.22-52,504.81

Finding the Fourth Proportional to 127,386.07, 191,072.22 and 52,504.81

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Solution

The fourth proportional to 127,386.07, 191,072.22 and 52,504.81 is: 78,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,386.07 : 191,072.22 = 52,504.81 : x
  2. Step 2: Convert to fraction form
    127,386.07/191,072.22 = 52,504.81/x
  3. Step 3: Cross multiply
    127,386.07x = 191,072.22 × 52,504.81
  4. Step 4: Simplify right side
    127,386.07x = 10,032,210,607.38
  5. Step 5: Solve for x
    x = 10,032,210,607.38/127,386.07
  6. Step 6: Final answer
    x = 78,754.38

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1.5x scale

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.