Home / 164,242.74-226,783.26-128,534.52

Finding the Fourth Proportional to 164,242.74, 226,783.26 and 128,534.52

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Solution

The fourth proportional to 164,242.74, 226,783.26 and 128,534.52 is: 177,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,242.74 : 226,783.26 = 128,534.52 : x
  2. Step 2: Convert to fraction form
    164,242.74/226,783.26 = 128,534.52/x
  3. Step 3: Cross multiply
    164,242.74x = 226,783.26 × 128,534.52
  4. Step 4: Simplify right side
    164,242.74x = 29,149,477,468.14
  5. Step 5: Solve for x
    x = 29,149,477,468.14/164,242.74
  6. Step 6: Final answer
    x = 177,478.03

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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.