Home / 127,302.59-175,533.44-81,301.78

Finding the Fourth Proportional to 127,302.59, 175,533.44 and 81,301.78

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Solution

The fourth proportional to 127,302.59, 175,533.44 and 81,301.78 is: 112,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,302.59 : 175,533.44 = 81,301.78 : x
  2. Step 2: Convert to fraction form
    127,302.59/175,533.44 = 81,301.78/x
  3. Step 3: Cross multiply
    127,302.59x = 175,533.44 × 81,301.78
  4. Step 4: Simplify right side
    127,302.59x = 14,271,180,276.18
  5. Step 5: Solve for x
    x = 14,271,180,276.18/127,302.59
  6. Step 6: Final answer
    x = 112,104.40

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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.