Home / 130,541.32-180,146.58-73,963.48

Finding the Fourth Proportional to 130,541.32, 180,146.58 and 73,963.48

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Solution

The fourth proportional to 130,541.32, 180,146.58 and 73,963.48 is: 102,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,541.32 : 180,146.58 = 73,963.48 : x
  2. Step 2: Convert to fraction form
    130,541.32/180,146.58 = 73,963.48/x
  3. Step 3: Cross multiply
    130,541.32x = 180,146.58 × 73,963.48
  4. Step 4: Simplify right side
    130,541.32x = 13,324,267,966.90
  5. Step 5: Solve for x
    x = 13,324,267,966.90/130,541.32
  6. Step 6: Final answer
    x = 102,069.35

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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.