Home / 150,307.08-207,426.02-82,330.32

Finding the Fourth Proportional to 150,307.08, 207,426.02 and 82,330.32

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Solution

The fourth proportional to 150,307.08, 207,426.02 and 82,330.32 is: 113,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,307.08 : 207,426.02 = 82,330.32 : x
  2. Step 2: Convert to fraction form
    150,307.08/207,426.02 = 82,330.32/x
  3. Step 3: Cross multiply
    150,307.08x = 207,426.02 × 82,330.32
  4. Step 4: Simplify right side
    150,307.08x = 17,077,450,969.12
  5. Step 5: Solve for x
    x = 17,077,450,969.12/150,307.08
  6. Step 6: Final answer
    x = 113,617.08

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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.