Home / 235,487.80-324,981.75-134,905.24

Finding the Fourth Proportional to 235,487.80, 324,981.75 and 134,905.24

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Solution

The fourth proportional to 235,487.80, 324,981.75 and 134,905.24 is: 186,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,487.80 : 324,981.75 = 134,905.24 : x
  2. Step 2: Convert to fraction form
    235,487.80/324,981.75 = 134,905.24/x
  3. Step 3: Cross multiply
    235,487.80x = 324,981.75 × 134,905.24
  4. Step 4: Simplify right side
    235,487.80x = 43,841,740,979.37
  5. Step 5: Solve for x
    x = 43,841,740,979.37/235,487.80
  6. Step 6: Final answer
    x = 186,174.15

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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.