Home / 153,887.30-212,368.04-96,529.04

Finding the Fourth Proportional to 153,887.30, 212,368.04 and 96,529.04

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Solution

The fourth proportional to 153,887.30, 212,368.04 and 96,529.04 is: 133,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,887.30 : 212,368.04 = 96,529.04 : x
  2. Step 2: Convert to fraction form
    153,887.30/212,368.04 = 96,529.04/x
  3. Step 3: Cross multiply
    153,887.30x = 212,368.04 × 96,529.04
  4. Step 4: Simplify right side
    153,887.30x = 20,499,683,027.88
  5. Step 5: Solve for x
    x = 20,499,683,027.88/153,887.30
  6. Step 6: Final answer
    x = 133,212.31

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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.