Home / 130,111.44-179,551.45-73,521.60

Finding the Fourth Proportional to 130,111.44, 179,551.45 and 73,521.60

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Solution

The fourth proportional to 130,111.44, 179,551.45 and 73,521.60 is: 101,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,111.44 : 179,551.45 = 73,521.60 : x
  2. Step 2: Convert to fraction form
    130,111.44/179,551.45 = 73,521.60/x
  3. Step 3: Cross multiply
    130,111.44x = 179,551.45 × 73,521.60
  4. Step 4: Simplify right side
    130,111.44x = 13,200,909,886.32
  5. Step 5: Solve for x
    x = 13,200,909,886.32/130,111.44
  6. Step 6: Final answer
    x = 101,458.49

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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.