Home / 127,833.36-176,411.20-70,474.76

Finding the Fourth Proportional to 127,833.36, 176,411.20 and 70,474.76

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Solution

The fourth proportional to 127,833.36, 176,411.20 and 70,474.76 is: 97,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,833.36 : 176,411.20 = 70,474.76 : x
  2. Step 2: Convert to fraction form
    127,833.36/176,411.20 = 70,474.76/x
  3. Step 3: Cross multiply
    127,833.36x = 176,411.20 × 70,474.76
  4. Step 4: Simplify right side
    127,833.36x = 12,432,536,914.96
  5. Step 5: Solve for x
    x = 12,432,536,914.96/127,833.36
  6. Step 6: Final answer
    x = 97,255.81

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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.