Home / 318,176.64-439,085.70-174,937.86

Finding the Fourth Proportional to 318,176.64, 439,085.70 and 174,937.86

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Solution

The fourth proportional to 318,176.64, 439,085.70 and 174,937.86 is: 241,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,176.64 : 439,085.70 = 174,937.86 : x
  2. Step 2: Convert to fraction form
    318,176.64/439,085.70 = 174,937.86/x
  3. Step 3: Cross multiply
    318,176.64x = 439,085.70 × 174,937.86
  4. Step 4: Simplify right side
    318,176.64x = 76,812,712,714.60
  5. Step 5: Solve for x
    x = 76,812,712,714.60/318,176.64
  6. Step 6: Final answer
    x = 241,415.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.