Home / 118,087.35-177,165.54-38,123.45

Finding the Fourth Proportional to 118,087.35, 177,165.54 and 38,123.45

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Solution

The fourth proportional to 118,087.35, 177,165.54 and 38,123.45 is: 57,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,087.35 : 177,165.54 = 38,123.45 : x
  2. Step 2: Convert to fraction form
    118,087.35/177,165.54 = 38,123.45/x
  3. Step 3: Cross multiply
    118,087.35x = 177,165.54 × 38,123.45
  4. Step 4: Simplify right side
    118,087.35x = 6,754,161,605.91
  5. Step 5: Solve for x
    x = 6,754,161,605.91/118,087.35
  6. Step 6: Final answer
    x = 57,196.32

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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.