Home / 128,153.46-176,934.93-114,701.37

Finding the Fourth Proportional to 128,153.46, 176,934.93 and 114,701.37

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Solution

The fourth proportional to 128,153.46, 176,934.93 and 114,701.37 is: 158,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,153.46 : 176,934.93 = 114,701.37 : x
  2. Step 2: Convert to fraction form
    128,153.46/176,934.93 = 114,701.37/x
  3. Step 3: Cross multiply
    128,153.46x = 176,934.93 × 114,701.37
  4. Step 4: Simplify right side
    128,153.46x = 20,294,678,871.85
  5. Step 5: Solve for x
    x = 20,294,678,871.85/128,153.46
  6. Step 6: Final answer
    x = 158,362.32

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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.