Home / 127,356.29-175,755.63-69,994.57

Finding the Fourth Proportional to 127,356.29, 175,755.63 and 69,994.57

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Solution

The fourth proportional to 127,356.29, 175,755.63 and 69,994.57 is: 96,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356.29 : 175,755.63 = 69,994.57 : x
  2. Step 2: Convert to fraction form
    127,356.29/175,755.63 = 69,994.57/x
  3. Step 3: Cross multiply
    127,356.29x = 175,755.63 × 69,994.57
  4. Step 4: Simplify right side
    127,356.29x = 12,301,939,396.96
  5. Step 5: Solve for x
    x = 12,301,939,396.96/127,356.29
  6. Step 6: Final answer
    x = 96,594.68

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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.