Home / 289,152.10-433,512.15-149,011.30

Finding the Fourth Proportional to 289,152.10, 433,512.15 and 149,011.30

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Solution

The fourth proportional to 289,152.10, 433,512.15 and 149,011.30 is: 223,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,152.10 : 433,512.15 = 149,011.30 : x
  2. Step 2: Convert to fraction form
    289,152.10/433,512.15 = 149,011.30/x
  3. Step 3: Cross multiply
    289,152.10x = 433,512.15 × 149,011.30
  4. Step 4: Simplify right side
    289,152.10x = 64,598,209,037.30
  5. Step 5: Solve for x
    x = 64,598,209,037.30/289,152.10
  6. Step 6: Final answer
    x = 223,405.64

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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.