Home / 160,904.23-222,279.47-128,597.48

Finding the Fourth Proportional to 160,904.23, 222,279.47 and 128,597.48

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Solution

The fourth proportional to 160,904.23, 222,279.47 and 128,597.48 is: 177,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,904.23 : 222,279.47 = 128,597.48 : x
  2. Step 2: Convert to fraction form
    160,904.23/222,279.47 = 128,597.48/x
  3. Step 3: Cross multiply
    160,904.23x = 222,279.47 × 128,597.48
  4. Step 4: Simplify right side
    160,904.23x = 28,584,579,054.75
  5. Step 5: Solve for x
    x = 28,584,579,054.75/160,904.23
  6. Step 6: Final answer
    x = 177,649.65

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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.