Home / 236,313.06-326,110.59-128,882.58

Finding the Fourth Proportional to 236,313.06, 326,110.59 and 128,882.58

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Solution

The fourth proportional to 236,313.06, 326,110.59 and 128,882.58 is: 177,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,313.06 : 326,110.59 = 128,882.58 : x
  2. Step 2: Convert to fraction form
    236,313.06/326,110.59 = 128,882.58/x
  3. Step 3: Cross multiply
    236,313.06x = 326,110.59 × 128,882.58
  4. Step 4: Simplify right side
    236,313.06x = 42,029,974,204.52
  5. Step 5: Solve for x
    x = 42,029,974,204.52/236,313.06
  6. Step 6: Final answer
    x = 177,857.18

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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.