Home / 178,176.12-245,887.56-101,705.64

Finding the Fourth Proportional to 178,176.12, 245,887.56 and 101,705.64

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Solution

The fourth proportional to 178,176.12, 245,887.56 and 101,705.64 is: 140,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,176.12 : 245,887.56 = 101,705.64 : x
  2. Step 2: Convert to fraction form
    178,176.12/245,887.56 = 101,705.64/x
  3. Step 3: Cross multiply
    178,176.12x = 245,887.56 × 101,705.64
  4. Step 4: Simplify right side
    178,176.12x = 25,008,151,657.84
  5. Step 5: Solve for x
    x = 25,008,151,657.84/178,176.12
  6. Step 6: Final answer
    x = 140,356.36

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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.