Home / 124,172.83-171,391.46-76,466.16

Finding the Fourth Proportional to 124,172.83, 171,391.46 and 76,466.16

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Solution

The fourth proportional to 124,172.83, 171,391.46 and 76,466.16 is: 105,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,172.83 : 171,391.46 = 76,466.16 : x
  2. Step 2: Convert to fraction form
    124,172.83/171,391.46 = 76,466.16/x
  3. Step 3: Cross multiply
    124,172.83x = 171,391.46 × 76,466.16
  4. Step 4: Simplify right side
    124,172.83x = 13,105,646,802.99
  5. Step 5: Solve for x
    x = 13,105,646,802.99/124,172.83
  6. Step 6: Final answer
    x = 105,543.59

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1.5x scale

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.