Home / 236,298.29-326,081.80-128,866.37

Finding the Fourth Proportional to 236,298.29, 326,081.80 and 128,866.37

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Solution

The fourth proportional to 236,298.29, 326,081.80 and 128,866.37 is: 177,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,298.29 : 326,081.80 = 128,866.37 : x
  2. Step 2: Convert to fraction form
    236,298.29/326,081.80 = 128,866.37/x
  3. Step 3: Cross multiply
    236,298.29x = 326,081.80 × 128,866.37
  4. Step 4: Simplify right side
    236,298.29x = 42,020,977,889.07
  5. Step 5: Solve for x
    x = 42,020,977,889.07/236,298.29
  6. Step 6: Final answer
    x = 177,830.22

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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.