Home / 127,285.90-189,998.30-118,034.62

Finding the Fourth Proportional to 127,285.90, 189,998.30 and 118,034.62

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Solution

The fourth proportional to 127,285.90, 189,998.30 and 118,034.62 is: 176,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,285.90 : 189,998.30 = 118,034.62 : x
  2. Step 2: Convert to fraction form
    127,285.90/189,998.30 = 118,034.62/x
  3. Step 3: Cross multiply
    127,285.90x = 189,998.30 × 118,034.62
  4. Step 4: Simplify right side
    127,285.90x = 22,426,377,141.15
  5. Step 5: Solve for x
    x = 22,426,377,141.15/127,285.90
  6. Step 6: Final answer
    x = 176,189.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.