Home / 163,077.07-225,070.96-99,451.77

Finding the Fourth Proportional to 163,077.07, 225,070.96 and 99,451.77

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Solution

The fourth proportional to 163,077.07, 225,070.96 and 99,451.77 is: 137,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,077.07 : 225,070.96 = 99,451.77 : x
  2. Step 2: Convert to fraction form
    163,077.07/225,070.96 = 99,451.77/x
  3. Step 3: Cross multiply
    163,077.07x = 225,070.96 × 99,451.77
  4. Step 4: Simplify right side
    163,077.07x = 22,383,705,347.60
  5. Step 5: Solve for x
    x = 22,383,705,347.60/163,077.07
  6. Step 6: Final answer
    x = 137,258.45

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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.