Home / 316,966.72-475,275.12-130,109.44

Finding the Fourth Proportional to 316,966.72, 475,275.12 and 130,109.44

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Solution

The fourth proportional to 316,966.72, 475,275.12 and 130,109.44 is: 195,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,966.72 : 475,275.12 = 130,109.44 : x
  2. Step 2: Convert to fraction form
    316,966.72/475,275.12 = 130,109.44/x
  3. Step 3: Cross multiply
    316,966.72x = 475,275.12 × 130,109.44
  4. Step 4: Simplify right side
    316,966.72x = 61,837,779,709.13
  5. Step 5: Solve for x
    x = 61,837,779,709.13/316,966.72
  6. Step 6: Final answer
    x = 195,092.34

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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.