Home / 236,454.08-326,314.50-129,030.01

Finding the Fourth Proportional to 236,454.08, 326,314.50 and 129,030.01

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Solution

The fourth proportional to 236,454.08, 326,314.50 and 129,030.01 is: 178,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,454.08 : 326,314.50 = 129,030.01 : x
  2. Step 2: Convert to fraction form
    236,454.08/326,314.50 = 129,030.01/x
  3. Step 3: Cross multiply
    236,454.08x = 326,314.50 × 129,030.01
  4. Step 4: Simplify right side
    236,454.08x = 42,104,361,898.50
  5. Step 5: Solve for x
    x = 42,104,361,898.50/236,454.08
  6. Step 6: Final answer
    x = 178,065.71

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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.