Home / 460,699.12-691,083.66-156,998.89

Finding the Fourth Proportional to 460,699.12, 691,083.66 and 156,998.89

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Solution

The fourth proportional to 460,699.12, 691,083.66 and 156,998.89 is: 235,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,699.12 : 691,083.66 = 156,998.89 : x
  2. Step 2: Convert to fraction form
    460,699.12/691,083.66 = 156,998.89/x
  3. Step 3: Cross multiply
    460,699.12x = 691,083.66 × 156,998.89
  4. Step 4: Simplify right side
    460,699.12x = 108,499,364,061.72
  5. Step 5: Solve for x
    x = 108,499,364,061.72/460,699.12
  6. Step 6: Final answer
    x = 235,510.25

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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.