Home / 318,366.05-439,337.93-175,123.01

Finding the Fourth Proportional to 318,366.05, 439,337.93 and 175,123.01

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Solution

The fourth proportional to 318,366.05, 439,337.93 and 175,123.01 is: 241,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,366.05 : 439,337.93 = 175,123.01 : x
  2. Step 2: Convert to fraction form
    318,366.05/439,337.93 = 175,123.01/x
  3. Step 3: Cross multiply
    318,366.05x = 439,337.93 × 175,123.01
  4. Step 4: Simplify right side
    318,366.05x = 76,938,180,931.50
  5. Step 5: Solve for x
    x = 76,938,180,931.50/318,366.05
  6. Step 6: Final answer
    x = 241,665.79

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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.