Home / 360,389.15-497,254.55-215,166.73

Finding the Fourth Proportional to 360,389.15, 497,254.55 and 215,166.73

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Solution

The fourth proportional to 360,389.15, 497,254.55 and 215,166.73 is: 296,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,389.15 : 497,254.55 = 215,166.73 : x
  2. Step 2: Convert to fraction form
    360,389.15/497,254.55 = 215,166.73/x
  3. Step 3: Cross multiply
    360,389.15x = 497,254.55 × 215,166.73
  4. Step 4: Simplify right side
    360,389.15x = 106,992,634,114.50
  5. Step 5: Solve for x
    x = 106,992,634,114.50/360,389.15
  6. Step 6: Final answer
    x = 296,880.84

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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.