Home / 318,263.10-439,214.63-182,323.32

Finding the Fourth Proportional to 318,263.10, 439,214.63 and 182,323.32

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Solution

The fourth proportional to 318,263.10, 439,214.63 and 182,323.32 is: 251,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,263.10 : 439,214.63 = 182,323.32 : x
  2. Step 2: Convert to fraction form
    318,263.10/439,214.63 = 182,323.32/x
  3. Step 3: Cross multiply
    318,263.10x = 439,214.63 × 182,323.32
  4. Step 4: Simplify right side
    318,263.10x = 80,079,069,534.17
  5. Step 5: Solve for x
    x = 80,079,069,534.17/318,263.10
  6. Step 6: Final answer
    x = 251,612.80

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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.