Home / 153,896.90-212,381.19-96,538.64

Finding the Fourth Proportional to 153,896.90, 212,381.19 and 96,538.64

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Solution

The fourth proportional to 153,896.90, 212,381.19 and 96,538.64 is: 133,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,896.90 : 212,381.19 = 96,538.64 : x
  2. Step 2: Convert to fraction form
    153,896.90/212,381.19 = 96,538.64/x
  3. Step 3: Cross multiply
    153,896.90x = 212,381.19 × 96,538.64
  4. Step 4: Simplify right side
    153,896.90x = 20,502,990,182.28
  5. Step 5: Solve for x
    x = 20,502,990,182.28/153,896.90
  6. Step 6: Final answer
    x = 133,225.50

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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.