Home / 219,472.12-302,872.98-118,870.12

Finding the Fourth Proportional to 219,472.12, 302,872.98 and 118,870.12

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Solution

The fourth proportional to 219,472.12, 302,872.98 and 118,870.12 is: 164,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472.12 : 302,872.98 = 118,870.12 : x
  2. Step 2: Convert to fraction form
    219,472.12/302,872.98 = 118,870.12/x
  3. Step 3: Cross multiply
    219,472.12x = 302,872.98 × 118,870.12
  4. Step 4: Simplify right side
    219,472.12x = 36,002,547,477.36
  5. Step 5: Solve for x
    x = 36,002,547,477.36/219,472.12
  6. Step 6: Final answer
    x = 164,041.55

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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.