Home / 219,557.13-302,984.91-124,061.78

Finding the Fourth Proportional to 219,557.13, 302,984.91 and 124,061.78

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Solution

The fourth proportional to 219,557.13, 302,984.91 and 124,061.78 is: 171,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,557.13 : 302,984.91 = 124,061.78 : x
  2. Step 2: Convert to fraction form
    219,557.13/302,984.91 = 124,061.78/x
  3. Step 3: Cross multiply
    219,557.13x = 302,984.91 × 124,061.78
  4. Step 4: Simplify right side
    219,557.13x = 37,588,847,247.74
  5. Step 5: Solve for x
    x = 37,588,847,247.74/219,557.13
  6. Step 6: Final answer
    x = 171,203.04

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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.