Home / 130,967.16-180,591.63-88,451.88

Finding the Fourth Proportional to 130,967.16, 180,591.63 and 88,451.88

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Solution

The fourth proportional to 130,967.16, 180,591.63 and 88,451.88 is: 121,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,967.16 : 180,591.63 = 88,451.88 : x
  2. Step 2: Convert to fraction form
    130,967.16/180,591.63 = 88,451.88/x
  3. Step 3: Cross multiply
    130,967.16x = 180,591.63 × 88,451.88
  4. Step 4: Simplify right side
    130,967.16x = 15,973,669,185.76
  5. Step 5: Solve for x
    x = 15,973,669,185.76/130,967.16
  6. Step 6: Final answer
    x = 121,966.98

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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.