Home / 172,290.09-237,748.62-104,344.80

Finding the Fourth Proportional to 172,290.09, 237,748.62 and 104,344.80

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Solution

The fourth proportional to 172,290.09, 237,748.62 and 104,344.80 is: 143,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,290.09 : 237,748.62 = 104,344.80 : x
  2. Step 2: Convert to fraction form
    172,290.09/237,748.62 = 104,344.80/x
  3. Step 3: Cross multiply
    172,290.09x = 237,748.62 × 104,344.80
  4. Step 4: Simplify right side
    172,290.09x = 24,807,832,204.18
  5. Step 5: Solve for x
    x = 24,807,832,204.18/172,290.09
  6. Step 6: Final answer
    x = 143,988.74

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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.