Home / 179,037.16-247,102.86-102,560.20

Finding the Fourth Proportional to 179,037.16, 247,102.86 and 102,560.20

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Solution

The fourth proportional to 179,037.16, 247,102.86 and 102,560.20 is: 141,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,037.16 : 247,102.86 = 102,560.20 : x
  2. Step 2: Convert to fraction form
    179,037.16/247,102.86 = 102,560.20/x
  3. Step 3: Cross multiply
    179,037.16x = 247,102.86 × 102,560.20
  4. Step 4: Simplify right side
    179,037.16x = 25,342,918,742.17
  5. Step 5: Solve for x
    x = 25,342,918,742.17/179,037.16
  6. Step 6: Final answer
    x = 141,551.17

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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.