Home / 207,342.24-310,515.02-118,325.86

Finding the Fourth Proportional to 207,342.24, 310,515.02 and 118,325.86

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Solution

The fourth proportional to 207,342.24, 310,515.02 and 118,325.86 is: 177,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,342.24 : 310,515.02 = 118,325.86 : x
  2. Step 2: Convert to fraction form
    207,342.24/310,515.02 = 118,325.86/x
  3. Step 3: Cross multiply
    207,342.24x = 310,515.02 × 118,325.86
  4. Step 4: Simplify right side
    207,342.24x = 36,741,956,784.42
  5. Step 5: Solve for x
    x = 36,741,956,784.42/207,342.24
  6. Step 6: Final answer
    x = 177,204.40

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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.