Home / 236,276.48-326,061.63-128,843.75

Finding the Fourth Proportional to 236,276.48, 326,061.63 and 128,843.75

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Solution

The fourth proportional to 236,276.48, 326,061.63 and 128,843.75 is: 177,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,276.48 : 326,061.63 = 128,843.75 : x
  2. Step 2: Convert to fraction form
    236,276.48/326,061.63 = 128,843.75/x
  3. Step 3: Cross multiply
    236,276.48x = 326,061.63 × 128,843.75
  4. Step 4: Simplify right side
    236,276.48x = 42,011,003,955.47
  5. Step 5: Solve for x
    x = 42,011,003,955.47/236,276.48
  6. Step 6: Final answer
    x = 177,804.42

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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.