Home / 118,276.01-177,416.51-42,379.49

Finding the Fourth Proportional to 118,276.01, 177,416.51 and 42,379.49

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Solution

The fourth proportional to 118,276.01, 177,416.51 and 42,379.49 is: 63,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,276.01 : 177,416.51 = 42,379.49 : x
  2. Step 2: Convert to fraction form
    118,276.01/177,416.51 = 42,379.49/x
  3. Step 3: Cross multiply
    118,276.01x = 177,416.51 × 42,379.49
  4. Step 4: Simplify right side
    118,276.01x = 7,518,820,873.79
  5. Step 5: Solve for x
    x = 7,518,820,873.79/118,276.01
  6. Step 6: Final answer
    x = 63,570.13

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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.