Home / 124,206.40-171,405.48-67,618.18

Finding the Fourth Proportional to 124,206.40, 171,405.48 and 67,618.18

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Solution

The fourth proportional to 124,206.40, 171,405.48 and 67,618.18 is: 93,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.40 : 171,405.48 = 67,618.18 : x
  2. Step 2: Convert to fraction form
    124,206.40/171,405.48 = 67,618.18/x
  3. Step 3: Cross multiply
    124,206.40x = 171,405.48 × 67,618.18
  4. Step 4: Simplify right side
    124,206.40x = 11,590,126,599.63
  5. Step 5: Solve for x
    x = 11,590,126,599.63/124,206.40
  6. Step 6: Final answer
    x = 93,313.44

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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.