Home / 124,143.18-171,303.66-73,152.60

Finding the Fourth Proportional to 124,143.18, 171,303.66 and 73,152.60

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Solution

The fourth proportional to 124,143.18, 171,303.66 and 73,152.60 is: 100,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,143.18 : 171,303.66 = 73,152.60 : x
  2. Step 2: Convert to fraction form
    124,143.18/171,303.66 = 73,152.60/x
  3. Step 3: Cross multiply
    124,143.18x = 171,303.66 × 73,152.60
  4. Step 4: Simplify right side
    124,143.18x = 12,531,307,476.13
  5. Step 5: Solve for x
    x = 12,531,307,476.13/124,143.18
  6. Step 6: Final answer
    x = 100,942.38

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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.