Home / 114,259.28-157,513.48-80,162.12

Finding the Fourth Proportional to 114,259.28, 157,513.48 and 80,162.12

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Solution

The fourth proportional to 114,259.28, 157,513.48 and 80,162.12 is: 110,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,259.28 : 157,513.48 = 80,162.12 : x
  2. Step 2: Convert to fraction form
    114,259.28/157,513.48 = 80,162.12/x
  3. Step 3: Cross multiply
    114,259.28x = 157,513.48 × 80,162.12
  4. Step 4: Simplify right side
    114,259.28x = 12,626,614,678.76
  5. Step 5: Solve for x
    x = 12,626,614,678.76/114,259.28
  6. Step 6: Final answer
    x = 110,508.44

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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.