Home / 124,230.06-171,435.78-67,641.45

Finding the Fourth Proportional to 124,230.06, 171,435.78 and 67,641.45

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Solution

The fourth proportional to 124,230.06, 171,435.78 and 67,641.45 is: 93,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,230.06 : 171,435.78 = 67,641.45 : x
  2. Step 2: Convert to fraction form
    124,230.06/171,435.78 = 67,641.45/x
  3. Step 3: Cross multiply
    124,230.06x = 171,435.78 × 67,641.45
  4. Step 4: Simplify right side
    124,230.06x = 11,596,164,741.08
  5. Step 5: Solve for x
    x = 11,596,164,741.08/124,230.06
  6. Step 6: Final answer
    x = 93,344.27

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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.