Home / 233,516.88-322,253.82-138,070.80

Finding the Fourth Proportional to 233,516.88, 322,253.82 and 138,070.80

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Solution

The fourth proportional to 233,516.88, 322,253.82 and 138,070.80 is: 190,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,516.88 : 322,253.82 = 138,070.80 : x
  2. Step 2: Convert to fraction form
    233,516.88/322,253.82 = 138,070.80/x
  3. Step 3: Cross multiply
    233,516.88x = 322,253.82 × 138,070.80
  4. Step 4: Simplify right side
    233,516.88x = 44,493,842,730.46
  5. Step 5: Solve for x
    x = 44,493,842,730.46/233,516.88
  6. Step 6: Final answer
    x = 190,538.01

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1.5x scale

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.