Home / 219,472.36-302,872.50-118,870.36

Finding the Fourth Proportional to 219,472.36, 302,872.50 and 118,870.36

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Solution

The fourth proportional to 219,472.36, 302,872.50 and 118,870.36 is: 164,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472.36 : 302,872.50 = 118,870.36 : x
  2. Step 2: Convert to fraction form
    219,472.36/302,872.50 = 118,870.36/x
  3. Step 3: Cross multiply
    219,472.36x = 302,872.50 × 118,870.36
  4. Step 4: Simplify right side
    219,472.36x = 36,002,563,109.10
  5. Step 5: Solve for x
    x = 36,002,563,109.10/219,472.36
  6. Step 6: Final answer
    x = 164,041.45

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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.