Home / 317,819.32-438,482.04-181,803.70

Finding the Fourth Proportional to 317,819.32, 438,482.04 and 181,803.70

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Solution

The fourth proportional to 317,819.32, 438,482.04 and 181,803.70 is: 250,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,819.32 : 438,482.04 = 181,803.70 : x
  2. Step 2: Convert to fraction form
    317,819.32/438,482.04 = 181,803.70/x
  3. Step 3: Cross multiply
    317,819.32x = 438,482.04 × 181,803.70
  4. Step 4: Simplify right side
    317,819.32x = 79,717,657,255.55
  5. Step 5: Solve for x
    x = 79,717,657,255.55/317,819.32
  6. Step 6: Final answer
    x = 250,826.97

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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.