Home / 236,303.28-326,097.36-128,871.36

Finding the Fourth Proportional to 236,303.28, 326,097.36 and 128,871.36

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Solution

The fourth proportional to 236,303.28, 326,097.36 and 128,871.36 is: 177,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,303.28 : 326,097.36 = 128,871.36 : x
  2. Step 2: Convert to fraction form
    236,303.28/326,097.36 = 128,871.36/x
  3. Step 3: Cross multiply
    236,303.28x = 326,097.36 × 128,871.36
  4. Step 4: Simplify right side
    236,303.28x = 42,024,610,275.61
  5. Step 5: Solve for x
    x = 42,024,610,275.61/236,303.28
  6. Step 6: Final answer
    x = 177,841.84

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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.