Home / 236,728.35-326,692.19-129,300.18

Finding the Fourth Proportional to 236,728.35, 326,692.19 and 129,300.18

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Solution

The fourth proportional to 236,728.35, 326,692.19 and 129,300.18 is: 178,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,728.35 : 326,692.19 = 129,300.18 : x
  2. Step 2: Convert to fraction form
    236,728.35/326,692.19 = 129,300.18/x
  3. Step 3: Cross multiply
    236,728.35x = 326,692.19 × 129,300.18
  4. Step 4: Simplify right side
    236,728.35x = 42,241,358,325.09
  5. Step 5: Solve for x
    x = 42,241,358,325.09/236,728.35
  6. Step 6: Final answer
    x = 178,438.11

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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.