Home / 346,110.20-477,665.52-210,112.64

Finding the Fourth Proportional to 346,110.20, 477,665.52 and 210,112.64

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Solution

The fourth proportional to 346,110.20, 477,665.52 and 210,112.64 is: 289,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,110.20 : 477,665.52 = 210,112.64 : x
  2. Step 2: Convert to fraction form
    346,110.20/477,665.52 = 210,112.64/x
  3. Step 3: Cross multiply
    346,110.20x = 477,665.52 × 210,112.64
  4. Step 4: Simplify right side
    346,110.20x = 100,363,563,444.17
  5. Step 5: Solve for x
    x = 100,363,563,444.17/346,110.20
  6. Step 6: Final answer
    x = 289,975.75

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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.