Home / 314,944.80-472,417.20-188,973.60

Finding the Fourth Proportional to 314,944.80, 472,417.20 and 188,973.60

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Solution

The fourth proportional to 314,944.80, 472,417.20 and 188,973.60 is: 283,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,944.80 : 472,417.20 = 188,973.60 : x
  2. Step 2: Convert to fraction form
    314,944.80/472,417.20 = 188,973.60/x
  3. Step 3: Cross multiply
    314,944.80x = 472,417.20 × 188,973.60
  4. Step 4: Simplify right side
    314,944.80x = 89,274,378,985.92
  5. Step 5: Solve for x
    x = 89,274,378,985.92/314,944.80
  6. Step 6: Final answer
    x = 283,460.40

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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.