Home / 119,011.83-178,518.36-40,126.74

Finding the Fourth Proportional to 119,011.83, 178,518.36 and 40,126.74

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Solution

The fourth proportional to 119,011.83, 178,518.36 and 40,126.74 is: 60,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,011.83 : 178,518.36 = 40,126.74 : x
  2. Step 2: Convert to fraction form
    119,011.83/178,518.36 = 40,126.74/x
  3. Step 3: Cross multiply
    119,011.83x = 178,518.36 × 40,126.74
  4. Step 4: Simplify right side
    119,011.83x = 7,163,359,816.95
  5. Step 5: Solve for x
    x = 7,163,359,816.95/119,011.83
  6. Step 6: Final answer
    x = 60,190.32

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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.