Home / 113,440.05-170,154.90-42,357.15

Finding the Fourth Proportional to 113,440.05, 170,154.90 and 42,357.15

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Solution

The fourth proportional to 113,440.05, 170,154.90 and 42,357.15 is: 63,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,440.05 : 170,154.90 = 42,357.15 : x
  2. Step 2: Convert to fraction form
    113,440.05/170,154.90 = 42,357.15/x
  3. Step 3: Cross multiply
    113,440.05x = 170,154.90 × 42,357.15
  4. Step 4: Simplify right side
    113,440.05x = 7,207,276,622.54
  5. Step 5: Solve for x
    x = 7,207,276,622.54/113,440.05
  6. Step 6: Final answer
    x = 63,533.79

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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.