Home / 236,468.63-326,333.65-129,045.59

Finding the Fourth Proportional to 236,468.63, 326,333.65 and 129,045.59

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Solution

The fourth proportional to 236,468.63, 326,333.65 and 129,045.59 is: 178,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,468.63 : 326,333.65 = 129,045.59 : x
  2. Step 2: Convert to fraction form
    236,468.63/326,333.65 = 129,045.59/x
  3. Step 3: Cross multiply
    236,468.63x = 326,333.65 × 129,045.59
  4. Step 4: Simplify right side
    236,468.63x = 42,111,918,401.10
  5. Step 5: Solve for x
    x = 42,111,918,401.10/236,468.63
  6. Step 6: Final answer
    x = 178,086.70

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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.