Home / 117,237.96-175,213.31-85,714.38

Finding the Fourth Proportional to 117,237.96, 175,213.31 and 85,714.38

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Solution

The fourth proportional to 117,237.96, 175,213.31 and 85,714.38 is: 128,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,237.96 : 175,213.31 = 85,714.38 : x
  2. Step 2: Convert to fraction form
    117,237.96/175,213.31 = 85,714.38/x
  3. Step 3: Cross multiply
    117,237.96x = 175,213.31 × 85,714.38
  4. Step 4: Simplify right side
    117,237.96x = 15,018,299,805.83
  5. Step 5: Solve for x
    x = 15,018,299,805.83/117,237.96
  6. Step 6: Final answer
    x = 128,101.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.