Home / 172,985.60-238,365.83-127,591.67

Finding the Fourth Proportional to 172,985.60, 238,365.83 and 127,591.67

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Solution

The fourth proportional to 172,985.60, 238,365.83 and 127,591.67 is: 175,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,985.60 : 238,365.83 = 127,591.67 : x
  2. Step 2: Convert to fraction form
    172,985.60/238,365.83 = 127,591.67/x
  3. Step 3: Cross multiply
    172,985.60x = 238,365.83 × 127,591.67
  4. Step 4: Simplify right side
    172,985.60x = 30,413,495,235.53
  5. Step 5: Solve for x
    x = 30,413,495,235.53/172,985.60
  6. Step 6: Final answer
    x = 175,815.18

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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.