Home / 127,541.84-175,960.20-79,777.04

Finding the Fourth Proportional to 127,541.84, 175,960.20 and 79,777.04

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Solution

The fourth proportional to 127,541.84, 175,960.20 and 79,777.04 is: 110,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,541.84 : 175,960.20 = 79,777.04 : x
  2. Step 2: Convert to fraction form
    127,541.84/175,960.20 = 79,777.04/x
  3. Step 3: Cross multiply
    127,541.84x = 175,960.20 × 79,777.04
  4. Step 4: Simplify right side
    127,541.84x = 14,037,583,913.81
  5. Step 5: Solve for x
    x = 14,037,583,913.81/127,541.84
  6. Step 6: Final answer
    x = 110,062.58

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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.