Home / 286,941.79-430,452.53-127,005.06

Finding the Fourth Proportional to 286,941.79, 430,452.53 and 127,005.06

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Solution

The fourth proportional to 286,941.79, 430,452.53 and 127,005.06 is: 190,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,941.79 : 430,452.53 = 127,005.06 : x
  2. Step 2: Convert to fraction form
    286,941.79/430,452.53 = 127,005.06/x
  3. Step 3: Cross multiply
    286,941.79x = 430,452.53 × 127,005.06
  4. Step 4: Simplify right side
    286,941.79x = 54,669,650,855.24
  5. Step 5: Solve for x
    x = 54,669,650,855.24/286,941.79
  6. Step 6: Final answer
    x = 190,525.23

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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.