Home / 127,700.18-176,226.25-74,016.34

Finding the Fourth Proportional to 127,700.18, 176,226.25 and 74,016.34

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Solution

The fourth proportional to 127,700.18, 176,226.25 and 74,016.34 is: 102,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,700.18 : 176,226.25 = 74,016.34 : x
  2. Step 2: Convert to fraction form
    127,700.18/176,226.25 = 74,016.34/x
  3. Step 3: Cross multiply
    127,700.18x = 176,226.25 × 74,016.34
  4. Step 4: Simplify right side
    127,700.18x = 13,043,621,411.32
  5. Step 5: Solve for x
    x = 13,043,621,411.32/127,700.18
  6. Step 6: Final answer
    x = 102,142.54

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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.