Home / 316,982.08-475,363.14-127,386.28

Finding the Fourth Proportional to 316,982.08, 475,363.14 and 127,386.28

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Solution

The fourth proportional to 316,982.08, 475,363.14 and 127,386.28 is: 191,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,982.08 : 475,363.14 = 127,386.28 : x
  2. Step 2: Convert to fraction form
    316,982.08/475,363.14 = 127,386.28/x
  3. Step 3: Cross multiply
    316,982.08x = 475,363.14 × 127,386.28
  4. Step 4: Simplify right side
    316,982.08x = 60,554,742,053.72
  5. Step 5: Solve for x
    x = 60,554,742,053.72/316,982.08
  6. Step 6: Final answer
    x = 191,035.22

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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.