Home / 377,078.82-565,498.02-124,312.20

Finding the Fourth Proportional to 377,078.82, 565,498.02 and 124,312.20

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Solution

The fourth proportional to 377,078.82, 565,498.02 and 124,312.20 is: 186,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,078.82 : 565,498.02 = 124,312.20 : x
  2. Step 2: Convert to fraction form
    377,078.82/565,498.02 = 124,312.20/x
  3. Step 3: Cross multiply
    377,078.82x = 565,498.02 × 124,312.20
  4. Step 4: Simplify right side
    377,078.82x = 70,298,302,961.84
  5. Step 5: Solve for x
    x = 70,298,302,961.84/377,078.82
  6. Step 6: Final answer
    x = 186,428.67

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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.