Home / 289,096.61-398,934.05-160,026.35

Finding the Fourth Proportional to 289,096.61, 398,934.05 and 160,026.35

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Solution

The fourth proportional to 289,096.61, 398,934.05 and 160,026.35 is: 220,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,096.61 : 398,934.05 = 160,026.35 : x
  2. Step 2: Convert to fraction form
    289,096.61/398,934.05 = 160,026.35/x
  3. Step 3: Cross multiply
    289,096.61x = 398,934.05 × 160,026.35
  4. Step 4: Simplify right side
    289,096.61x = 63,839,957,117.42
  5. Step 5: Solve for x
    x = 63,839,957,117.42/289,096.61
  6. Step 6: Final answer
    x = 220,825.69

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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.