Home / 318,840.18-439,994.04-175,613.58

Finding the Fourth Proportional to 318,840.18, 439,994.04 and 175,613.58

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Solution

The fourth proportional to 318,840.18, 439,994.04 and 175,613.58 is: 242,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,840.18 : 439,994.04 = 175,613.58 : x
  2. Step 2: Convert to fraction form
    318,840.18/439,994.04 = 175,613.58/x
  3. Step 3: Cross multiply
    318,840.18x = 439,994.04 × 175,613.58
  4. Step 4: Simplify right side
    318,840.18x = 77,268,928,543.06
  5. Step 5: Solve for x
    x = 77,268,928,543.06/318,840.18
  6. Step 6: Final answer
    x = 242,343.76

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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.