Home / 346,077.20-519,407.40-156,828.80

Finding the Fourth Proportional to 346,077.20, 519,407.40 and 156,828.80

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Solution

The fourth proportional to 346,077.20, 519,407.40 and 156,828.80 is: 235,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,077.20 : 519,407.40 = 156,828.80 : x
  2. Step 2: Convert to fraction form
    346,077.20/519,407.40 = 156,828.80/x
  3. Step 3: Cross multiply
    346,077.20x = 519,407.40 × 156,828.80
  4. Step 4: Simplify right side
    346,077.20x = 81,458,039,253.12
  5. Step 5: Solve for x
    x = 81,458,039,253.12/346,077.20
  6. Step 6: Final answer
    x = 235,375.34

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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.