Home / 199,074.24-275,001.08-138,614.63

Finding the Fourth Proportional to 199,074.24, 275,001.08 and 138,614.63

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Solution

The fourth proportional to 199,074.24, 275,001.08 and 138,614.63 is: 191,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,074.24 : 275,001.08 = 138,614.63 : x
  2. Step 2: Convert to fraction form
    199,074.24/275,001.08 = 138,614.63/x
  3. Step 3: Cross multiply
    199,074.24x = 275,001.08 × 138,614.63
  4. Step 4: Simplify right side
    199,074.24x = 38,119,170,885.72
  5. Step 5: Solve for x
    x = 38,119,170,885.72/199,074.24
  6. Step 6: Final answer
    x = 191,482.19

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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.