Home / 316,637.92-436,957.06-171,441.21

Finding the Fourth Proportional to 316,637.92, 436,957.06 and 171,441.21

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Solution

The fourth proportional to 316,637.92, 436,957.06 and 171,441.21 is: 236,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,637.92 : 436,957.06 = 171,441.21 : x
  2. Step 2: Convert to fraction form
    316,637.92/436,957.06 = 171,441.21/x
  3. Step 3: Cross multiply
    316,637.92x = 436,957.06 × 171,441.21
  4. Step 4: Simplify right side
    316,637.92x = 74,912,445,675.82
  5. Step 5: Solve for x
    x = 74,912,445,675.82/316,637.92
  6. Step 6: Final answer
    x = 236,587.09

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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.