Home / 236,609.55-326,526.12-129,184.11

Finding the Fourth Proportional to 236,609.55, 326,526.12 and 129,184.11

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Solution

The fourth proportional to 236,609.55, 326,526.12 and 129,184.11 is: 178,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,609.55 : 326,526.12 = 129,184.11 : x
  2. Step 2: Convert to fraction form
    236,609.55/326,526.12 = 129,184.11/x
  3. Step 3: Cross multiply
    236,609.55x = 326,526.12 × 129,184.11
  4. Step 4: Simplify right side
    236,609.55x = 42,181,986,203.95
  5. Step 5: Solve for x
    x = 42,181,986,203.95/236,609.55
  6. Step 6: Final answer
    x = 178,276.77

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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.