Home / 381,616.79-572,437.31-191,973.51

Finding the Fourth Proportional to 381,616.79, 572,437.31 and 191,973.51

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Solution

The fourth proportional to 381,616.79, 572,437.31 and 191,973.51 is: 287,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,616.79 : 572,437.31 = 191,973.51 : x
  2. Step 2: Convert to fraction form
    381,616.79/572,437.31 = 191,973.51/x
  3. Step 3: Cross multiply
    381,616.79x = 572,437.31 × 191,973.51
  4. Step 4: Simplify right side
    381,616.79x = 109,892,798,695.79
  5. Step 5: Solve for x
    x = 109,892,798,695.79/381,616.79
  6. Step 6: Final answer
    x = 287,966.37

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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.