Home / 127,656.87-176,107.35-82,349.45

Finding the Fourth Proportional to 127,656.87, 176,107.35 and 82,349.45

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Solution

The fourth proportional to 127,656.87, 176,107.35 and 82,349.45 is: 113,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.87 : 176,107.35 = 82,349.45 : x
  2. Step 2: Convert to fraction form
    127,656.87/176,107.35 = 82,349.45/x
  3. Step 3: Cross multiply
    127,656.87x = 176,107.35 × 82,349.45
  4. Step 4: Simplify right side
    127,656.87x = 14,502,343,413.46
  5. Step 5: Solve for x
    x = 14,502,343,413.46/127,656.87
  6. Step 6: Final answer
    x = 113,604.10

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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.