Home / 105,369.96-145,344.06-73,527.24

Finding the Fourth Proportional to 105,369.96, 145,344.06 and 73,527.24

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Solution

The fourth proportional to 105,369.96, 145,344.06 and 73,527.24 is: 101,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,369.96 : 145,344.06 = 73,527.24 : x
  2. Step 2: Convert to fraction form
    105,369.96/145,344.06 = 73,527.24/x
  3. Step 3: Cross multiply
    105,369.96x = 145,344.06 × 73,527.24
  4. Step 4: Simplify right side
    105,369.96x = 10,686,747,582.19
  5. Step 5: Solve for x
    x = 10,686,747,582.19/105,369.96
  6. Step 6: Final answer
    x = 101,421.20

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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.