Home / 314,259.77-471,393.98-89,620.23

Finding the Fourth Proportional to 314,259.77, 471,393.98 and 89,620.23

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Solution

The fourth proportional to 314,259.77, 471,393.98 and 89,620.23 is: 134,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,259.77 : 471,393.98 = 89,620.23 : x
  2. Step 2: Convert to fraction form
    314,259.77/471,393.98 = 89,620.23/x
  3. Step 3: Cross multiply
    314,259.77x = 471,393.98 × 89,620.23
  4. Step 4: Simplify right side
    314,259.77x = 42,246,437,132.27
  5. Step 5: Solve for x
    x = 42,246,437,132.27/314,259.77
  6. Step 6: Final answer
    x = 134,431.58

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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.