Home / 119,188.28-178,805.46-40,315.34

Finding the Fourth Proportional to 119,188.28, 178,805.46 and 40,315.34

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Solution

The fourth proportional to 119,188.28, 178,805.46 and 40,315.34 is: 60,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,188.28 : 178,805.46 = 40,315.34 : x
  2. Step 2: Convert to fraction form
    119,188.28/178,805.46 = 40,315.34/x
  3. Step 3: Cross multiply
    119,188.28x = 178,805.46 × 40,315.34
  4. Step 4: Simplify right side
    119,188.28x = 7,208,602,913.76
  5. Step 5: Solve for x
    x = 7,208,602,913.76/119,188.28
  6. Step 6: Final answer
    x = 60,480.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.