Home / 153,905.30-230,857.95-83,921.30

Finding the Fourth Proportional to 153,905.30, 230,857.95 and 83,921.30

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Solution

The fourth proportional to 153,905.30, 230,857.95 and 83,921.30 is: 125,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,905.30 : 230,857.95 = 83,921.30 : x
  2. Step 2: Convert to fraction form
    153,905.30/230,857.95 = 83,921.30/x
  3. Step 3: Cross multiply
    153,905.30x = 230,857.95 × 83,921.30
  4. Step 4: Simplify right side
    153,905.30x = 19,373,899,279.34
  5. Step 5: Solve for x
    x = 19,373,899,279.34/153,905.30
  6. Step 6: Final answer
    x = 125,881.95

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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.