Home / 307,558.32-424,460.16-186,671.76

Finding the Fourth Proportional to 307,558.32, 424,460.16 and 186,671.76

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Solution

The fourth proportional to 307,558.32, 424,460.16 and 186,671.76 is: 257,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,558.32 : 424,460.16 = 186,671.76 : x
  2. Step 2: Convert to fraction form
    307,558.32/424,460.16 = 186,671.76/x
  3. Step 3: Cross multiply
    307,558.32x = 424,460.16 × 186,671.76
  4. Step 4: Simplify right side
    307,558.32x = 79,234,725,117.08
  5. Step 5: Solve for x
    x = 79,234,725,117.08/307,558.32
  6. Step 6: Final answer
    x = 257,625.04

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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.