Home / 195,666.96-293,334.66-77,421.72

Finding the Fourth Proportional to 195,666.96, 293,334.66 and 77,421.72

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Solution

The fourth proportional to 195,666.96, 293,334.66 and 77,421.72 is: 116,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,666.96 : 293,334.66 = 77,421.72 : x
  2. Step 2: Convert to fraction form
    195,666.96/293,334.66 = 77,421.72/x
  3. Step 3: Cross multiply
    195,666.96x = 293,334.66 × 77,421.72
  4. Step 4: Simplify right side
    195,666.96x = 22,710,473,912.82
  5. Step 5: Solve for x
    x = 22,710,473,912.82/195,666.96
  6. Step 6: Final answer
    x = 116,066.98

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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.