Home / 382,312.91-527,605.08-210,237.93

Finding the Fourth Proportional to 382,312.91, 527,605.08 and 210,237.93

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Solution

The fourth proportional to 382,312.91, 527,605.08 and 210,237.93 is: 290,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,312.91 : 527,605.08 = 210,237.93 : x
  2. Step 2: Convert to fraction form
    382,312.91/527,605.08 = 210,237.93/x
  3. Step 3: Cross multiply
    382,312.91x = 527,605.08 × 210,237.93
  4. Step 4: Simplify right side
    382,312.91x = 110,922,598,686.56
  5. Step 5: Solve for x
    x = 110,922,598,686.56/382,312.91
  6. Step 6: Final answer
    x = 290,135.64

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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.