Home / 317,685.08-476,421.82-128,096.44

Finding the Fourth Proportional to 317,685.08, 476,421.82 and 128,096.44

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Solution

The fourth proportional to 317,685.08, 476,421.82 and 128,096.44 is: 192,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,685.08 : 476,421.82 = 128,096.44 : x
  2. Step 2: Convert to fraction form
    317,685.08/476,421.82 = 128,096.44/x
  3. Step 3: Cross multiply
    317,685.08x = 476,421.82 × 128,096.44
  4. Step 4: Simplify right side
    317,685.08x = 61,027,939,080.32
  5. Step 5: Solve for x
    x = 61,027,939,080.32/317,685.08
  6. Step 6: Final answer
    x = 192,102.00

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1.5x scale

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.