Home / 149,142.51-223,934.09-99,531.63

Finding the Fourth Proportional to 149,142.51, 223,934.09 and 99,531.63

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Solution

The fourth proportional to 149,142.51, 223,934.09 and 99,531.63 is: 149,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,142.51 : 223,934.09 = 99,531.63 : x
  2. Step 2: Convert to fraction form
    149,142.51/223,934.09 = 99,531.63/x
  3. Step 3: Cross multiply
    149,142.51x = 223,934.09 × 99,531.63
  4. Step 4: Simplify right side
    149,142.51x = 22,288,524,492.61
  5. Step 5: Solve for x
    x = 22,288,524,492.61/149,142.51
  6. Step 6: Final answer
    x = 149,444.48

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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.