Home / 311,562.19-429,943.39-175,624.35

Finding the Fourth Proportional to 311,562.19, 429,943.39 and 175,624.35

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Solution

The fourth proportional to 311,562.19, 429,943.39 and 175,624.35 is: 242,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,562.19 : 429,943.39 = 175,624.35 : x
  2. Step 2: Convert to fraction form
    311,562.19/429,943.39 = 175,624.35/x
  3. Step 3: Cross multiply
    311,562.19x = 429,943.39 × 175,624.35
  4. Step 4: Simplify right side
    311,562.19x = 75,508,528,405.55
  5. Step 5: Solve for x
    x = 75,508,528,405.55/311,562.19
  6. Step 6: Final answer
    x = 242,354.60

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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.