Home / 179,071.96-247,074.60-115,333.06

Finding the Fourth Proportional to 179,071.96, 247,074.60 and 115,333.06

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Solution

The fourth proportional to 179,071.96, 247,074.60 and 115,333.06 is: 159,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,071.96 : 247,074.60 = 115,333.06 : x
  2. Step 2: Convert to fraction form
    179,071.96/247,074.60 = 115,333.06/x
  3. Step 3: Cross multiply
    179,071.96x = 247,074.60 × 115,333.06
  4. Step 4: Simplify right side
    179,071.96x = 28,495,869,666.28
  5. Step 5: Solve for x
    x = 28,495,869,666.28/179,071.96
  6. Step 6: Final answer
    x = 159,130.83

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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.