Home / 176,002.23-242,819.40-115,605.60

Finding the Fourth Proportional to 176,002.23, 242,819.40 and 115,605.60

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Solution

The fourth proportional to 176,002.23, 242,819.40 and 115,605.60 is: 159,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,002.23 : 242,819.40 = 115,605.60 : x
  2. Step 2: Convert to fraction form
    176,002.23/242,819.40 = 115,605.60/x
  3. Step 3: Cross multiply
    176,002.23x = 242,819.40 × 115,605.60
  4. Step 4: Simplify right side
    176,002.23x = 28,071,282,428.64
  5. Step 5: Solve for x
    x = 28,071,282,428.64/176,002.23
  6. Step 6: Final answer
    x = 159,493.90

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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.