Home / 289,532.37-399,557.51-160,473.66

Finding the Fourth Proportional to 289,532.37, 399,557.51 and 160,473.66

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Solution

The fourth proportional to 289,532.37, 399,557.51 and 160,473.66 is: 221,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,532.37 : 399,557.51 = 160,473.66 : x
  2. Step 2: Convert to fraction form
    289,532.37/399,557.51 = 160,473.66/x
  3. Step 3: Cross multiply
    289,532.37x = 399,557.51 × 160,473.66
  4. Step 4: Simplify right side
    289,532.37x = 64,118,454,311.25
  5. Step 5: Solve for x
    x = 64,118,454,311.25/289,532.37
  6. Step 6: Final answer
    x = 221,455.22

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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.