Home / 127,698.18-176,226.33-71,114.82

Finding the Fourth Proportional to 127,698.18, 176,226.33 and 71,114.82

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Solution

The fourth proportional to 127,698.18, 176,226.33 and 71,114.82 is: 98,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,698.18 : 176,226.33 = 71,114.82 : x
  2. Step 2: Convert to fraction form
    127,698.18/176,226.33 = 71,114.82/x
  3. Step 3: Cross multiply
    127,698.18x = 176,226.33 × 71,114.82
  4. Step 4: Simplify right side
    127,698.18x = 12,532,303,737.21
  5. Step 5: Solve for x
    x = 12,532,303,737.21/127,698.18
  6. Step 6: Final answer
    x = 98,140.03

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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.