Home / 127,151.36-175,539.36-113,690.24

Finding the Fourth Proportional to 127,151.36, 175,539.36 and 113,690.24

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Solution

The fourth proportional to 127,151.36, 175,539.36 and 113,690.24 is: 156,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,151.36 : 175,539.36 = 113,690.24 : x
  2. Step 2: Convert to fraction form
    127,151.36/175,539.36 = 113,690.24/x
  3. Step 3: Cross multiply
    127,151.36x = 175,539.36 × 113,690.24
  4. Step 4: Simplify right side
    127,151.36x = 19,957,111,967.85
  5. Step 5: Solve for x
    x = 19,957,111,967.85/127,151.36
  6. Step 6: Final answer
    x = 156,955.55

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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.