Home / 235,492.14-324,981.32-128,063.19

Finding the Fourth Proportional to 235,492.14, 324,981.32 and 128,063.19

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Solution

The fourth proportional to 235,492.14, 324,981.32 and 128,063.19 is: 176,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,492.14 : 324,981.32 = 128,063.19 : x
  2. Step 2: Convert to fraction form
    235,492.14/324,981.32 = 128,063.19/x
  3. Step 3: Cross multiply
    235,492.14x = 324,981.32 × 128,063.19
  4. Step 4: Simplify right side
    235,492.14x = 41,618,144,529.61
  5. Step 5: Solve for x
    x = 41,618,144,529.61/235,492.14
  6. Step 6: Final answer
    x = 176,728.38

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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.