Home / 127,403.68-175,803.60-73,680.16

Finding the Fourth Proportional to 127,403.68, 175,803.60 and 73,680.16

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Solution

The fourth proportional to 127,403.68, 175,803.60 and 73,680.16 is: 101,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,403.68 : 175,803.60 = 73,680.16 : x
  2. Step 2: Convert to fraction form
    127,403.68/175,803.60 = 73,680.16/x
  3. Step 3: Cross multiply
    127,403.68x = 175,803.60 × 73,680.16
  4. Step 4: Simplify right side
    127,403.68x = 12,953,237,376.58
  5. Step 5: Solve for x
    x = 12,953,237,376.58/127,403.68
  6. Step 6: Final answer
    x = 101,670.83

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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.