Home / 302,443.20-417,411.36-173,432.16

Finding the Fourth Proportional to 302,443.20, 417,411.36 and 173,432.16

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Solution

The fourth proportional to 302,443.20, 417,411.36 and 173,432.16 is: 239,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,443.20 : 417,411.36 = 173,432.16 : x
  2. Step 2: Convert to fraction form
    302,443.20/417,411.36 = 173,432.16/x
  3. Step 3: Cross multiply
    302,443.20x = 417,411.36 × 173,432.16
  4. Step 4: Simplify right side
    302,443.20x = 72,392,553,773.34
  5. Step 5: Solve for x
    x = 72,392,553,773.34/302,443.20
  6. Step 6: Final answer
    x = 239,359.17

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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.