Home / 127,153.64-175,493.76-73,429.04

Finding the Fourth Proportional to 127,153.64, 175,493.76 and 73,429.04

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Solution

The fourth proportional to 127,153.64, 175,493.76 and 73,429.04 is: 101,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,153.64 : 175,493.76 = 73,429.04 : x
  2. Step 2: Convert to fraction form
    127,153.64/175,493.76 = 73,429.04/x
  3. Step 3: Cross multiply
    127,153.64x = 175,493.76 × 73,429.04
  4. Step 4: Simplify right side
    127,153.64x = 12,886,338,322.79
  5. Step 5: Solve for x
    x = 12,886,338,322.79/127,153.64
  6. Step 6: Final answer
    x = 101,344.63

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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.