Home / 118,081.15-177,160.02-70,688.86

Finding the Fourth Proportional to 118,081.15, 177,160.02 and 70,688.86

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Solution

The fourth proportional to 118,081.15, 177,160.02 and 70,688.86 is: 106,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,081.15 : 177,160.02 = 70,688.86 : x
  2. Step 2: Convert to fraction form
    118,081.15/177,160.02 = 70,688.86/x
  3. Step 3: Cross multiply
    118,081.15x = 177,160.02 × 70,688.86
  4. Step 4: Simplify right side
    118,081.15x = 12,523,239,851.38
  5. Step 5: Solve for x
    x = 12,523,239,851.38/118,081.15
  6. Step 6: Final answer
    x = 106,056.22

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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.