Home / 128,021.24-176,752.53-114,569.37

Finding the Fourth Proportional to 128,021.24, 176,752.53 and 114,569.37

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Solution

The fourth proportional to 128,021.24, 176,752.53 and 114,569.37 is: 158,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,021.24 : 176,752.53 = 114,569.37 : x
  2. Step 2: Convert to fraction form
    128,021.24/176,752.53 = 114,569.37/x
  3. Step 3: Cross multiply
    128,021.24x = 176,752.53 × 114,569.37
  4. Step 4: Simplify right side
    128,021.24x = 20,250,426,008.01
  5. Step 5: Solve for x
    x = 20,250,426,008.01/128,021.24
  6. Step 6: Final answer
    x = 158,180.20

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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.