Home / 236,492.32-326,366.31-129,069.24

Finding the Fourth Proportional to 236,492.32, 326,366.31 and 129,069.24

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Solution

The fourth proportional to 236,492.32, 326,366.31 and 129,069.24 is: 178,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,492.32 : 326,366.31 = 129,069.24 : x
  2. Step 2: Convert to fraction form
    236,492.32/326,366.31 = 129,069.24/x
  3. Step 3: Cross multiply
    236,492.32x = 326,366.31 × 129,069.24
  4. Step 4: Simplify right side
    236,492.32x = 42,123,849,961.47
  5. Step 5: Solve for x
    x = 42,123,849,961.47/236,492.32
  6. Step 6: Final answer
    x = 178,119.32

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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.