Home / 236,342.01-326,153.00-128,914.35

Finding the Fourth Proportional to 236,342.01, 326,153.00 and 128,914.35

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Solution

The fourth proportional to 236,342.01, 326,153.00 and 128,914.35 is: 177,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,342.01 : 326,153.00 = 128,914.35 : x
  2. Step 2: Convert to fraction form
    236,342.01/326,153.00 = 128,914.35/x
  3. Step 3: Cross multiply
    236,342.01x = 326,153.00 × 128,914.35
  4. Step 4: Simplify right side
    236,342.01x = 42,045,801,350.98
  5. Step 5: Solve for x
    x = 42,045,801,350.98/236,342.01
  6. Step 6: Final answer
    x = 177,902.36

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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.