Home / 153,313.40-229,532.70-135,817.40

Finding the Fourth Proportional to 153,313.40, 229,532.70 and 135,817.40

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Solution

The fourth proportional to 153,313.40, 229,532.70 and 135,817.40 is: 203,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,313.40 : 229,532.70 = 135,817.40 : x
  2. Step 2: Convert to fraction form
    153,313.40/229,532.70 = 135,817.40/x
  3. Step 3: Cross multiply
    153,313.40x = 229,532.70 × 135,817.40
  4. Step 4: Simplify right side
    153,313.40x = 31,174,534,528.98
  5. Step 5: Solve for x
    x = 31,174,534,528.98/153,313.40
  6. Step 6: Final answer
    x = 203,338.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.