Home / 160,421.98-221,387.55-92,433.68

Finding the Fourth Proportional to 160,421.98, 221,387.55 and 92,433.68

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Solution

The fourth proportional to 160,421.98, 221,387.55 and 92,433.68 is: 127,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,421.98 : 221,387.55 = 92,433.68 : x
  2. Step 2: Convert to fraction form
    160,421.98/221,387.55 = 92,433.68/x
  3. Step 3: Cross multiply
    160,421.98x = 221,387.55 × 92,433.68
  4. Step 4: Simplify right side
    160,421.98x = 20,463,665,952.68
  5. Step 5: Solve for x
    x = 20,463,665,952.68/160,421.98
  6. Step 6: Final answer
    x = 127,561.48

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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.