Home / 200,312.02-276,433.86-109,666.50

Finding the Fourth Proportional to 200,312.02, 276,433.86 and 109,666.50

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Solution

The fourth proportional to 200,312.02, 276,433.86 and 109,666.50 is: 151,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,312.02 : 276,433.86 = 109,666.50 : x
  2. Step 2: Convert to fraction form
    200,312.02/276,433.86 = 109,666.50/x
  3. Step 3: Cross multiply
    200,312.02x = 276,433.86 × 109,666.50
  4. Step 4: Simplify right side
    200,312.02x = 30,315,533,907.69
  5. Step 5: Solve for x
    x = 30,315,533,907.69/200,312.02
  6. Step 6: Final answer
    x = 151,341.56

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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.