Home / 153,996.40-230,857.08-82,957.60

Finding the Fourth Proportional to 153,996.40, 230,857.08 and 82,957.60

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Solution

The fourth proportional to 153,996.40, 230,857.08 and 82,957.60 is: 124,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,996.40 : 230,857.08 = 82,957.60 : x
  2. Step 2: Convert to fraction form
    153,996.40/230,857.08 = 82,957.60/x
  3. Step 3: Cross multiply
    153,996.40x = 230,857.08 × 82,957.60
  4. Step 4: Simplify right side
    153,996.40x = 19,151,349,299.81
  5. Step 5: Solve for x
    x = 19,151,349,299.81/153,996.40
  6. Step 6: Final answer
    x = 124,362.32

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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.