Home / 289,171.32-433,777.26-89,465.42

Finding the Fourth Proportional to 289,171.32, 433,777.26 and 89,465.42

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Solution

The fourth proportional to 289,171.32, 433,777.26 and 89,465.42 is: 134,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,171.32 : 433,777.26 = 89,465.42 : x
  2. Step 2: Convert to fraction form
    289,171.32/433,777.26 = 89,465.42/x
  3. Step 3: Cross multiply
    289,171.32x = 433,777.26 × 89,465.42
  4. Step 4: Simplify right side
    289,171.32x = 38,808,064,752.35
  5. Step 5: Solve for x
    x = 38,808,064,752.35/289,171.32
  6. Step 6: Final answer
    x = 134,204.40

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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.