Home / 236,538.31-326,424.29-129,106.04

Finding the Fourth Proportional to 236,538.31, 326,424.29 and 129,106.04

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Solution

The fourth proportional to 236,538.31, 326,424.29 and 129,106.04 is: 178,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,538.31 : 326,424.29 = 129,106.04 : x
  2. Step 2: Convert to fraction form
    236,538.31/326,424.29 = 129,106.04/x
  3. Step 3: Cross multiply
    236,538.31x = 326,424.29 × 129,106.04
  4. Step 4: Simplify right side
    236,538.31x = 42,143,347,441.71
  5. Step 5: Solve for x
    x = 42,143,347,441.71/236,538.31
  6. Step 6: Final answer
    x = 178,167.11

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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.