Home / 240,526.28-360,678.21-135,345.24

Finding the Fourth Proportional to 240,526.28, 360,678.21 and 135,345.24

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Solution

The fourth proportional to 240,526.28, 360,678.21 and 135,345.24 is: 202,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,526.28 : 360,678.21 = 135,345.24 : x
  2. Step 2: Convert to fraction form
    240,526.28/360,678.21 = 135,345.24/x
  3. Step 3: Cross multiply
    240,526.28x = 360,678.21 × 135,345.24
  4. Step 4: Simplify right side
    240,526.28x = 48,816,078,895.22
  5. Step 5: Solve for x
    x = 48,816,078,895.22/240,526.28
  6. Step 6: Final answer
    x = 202,955.29

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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.