Home / 179,267.16-247,465.20-127,617.60

Finding the Fourth Proportional to 179,267.16, 247,465.20 and 127,617.60

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Solution

The fourth proportional to 179,267.16, 247,465.20 and 127,617.60 is: 176,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,267.16 : 247,465.20 = 127,617.60 : x
  2. Step 2: Convert to fraction form
    179,267.16/247,465.20 = 127,617.60/x
  3. Step 3: Cross multiply
    179,267.16x = 247,465.20 × 127,617.60
  4. Step 4: Simplify right side
    179,267.16x = 31,580,914,907.52
  5. Step 5: Solve for x
    x = 31,580,914,907.52/179,267.16
  6. Step 6: Final answer
    x = 176,166.76

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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.