Home / 185,526.83-256,027.52-100,643.90

Finding the Fourth Proportional to 185,526.83, 256,027.52 and 100,643.90

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Solution

The fourth proportional to 185,526.83, 256,027.52 and 100,643.90 is: 138,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,526.83 : 256,027.52 = 100,643.90 : x
  2. Step 2: Convert to fraction form
    185,526.83/256,027.52 = 100,643.90/x
  3. Step 3: Cross multiply
    185,526.83x = 256,027.52 × 100,643.90
  4. Step 4: Simplify right side
    185,526.83x = 25,767,607,091.60
  5. Step 5: Solve for x
    x = 25,767,607,091.60/185,526.83
  6. Step 6: Final answer
    x = 138,888.84

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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.