Home / 130,375.74-179,927.43-73,787.10

Finding the Fourth Proportional to 130,375.74, 179,927.43 and 73,787.10

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Solution

The fourth proportional to 130,375.74, 179,927.43 and 73,787.10 is: 101,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,375.74 : 179,927.43 = 73,787.10 : x
  2. Step 2: Convert to fraction form
    130,375.74/179,927.43 = 73,787.10/x
  3. Step 3: Cross multiply
    130,375.74x = 179,927.43 × 73,787.10
  4. Step 4: Simplify right side
    130,375.74x = 13,276,323,270.15
  5. Step 5: Solve for x
    x = 13,276,323,270.15/130,375.74
  6. Step 6: Final answer
    x = 101,831.24

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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.