Home / 124,925.60-187,388.40-40,685.60

Finding the Fourth Proportional to 124,925.60, 187,388.40 and 40,685.60

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Solution

The fourth proportional to 124,925.60, 187,388.40 and 40,685.60 is: 61,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,925.60 : 187,388.40 = 40,685.60 : x
  2. Step 2: Convert to fraction form
    124,925.60/187,388.40 = 40,685.60/x
  3. Step 3: Cross multiply
    124,925.60x = 187,388.40 × 40,685.60
  4. Step 4: Simplify right side
    124,925.60x = 7,624,009,487.04
  5. Step 5: Solve for x
    x = 7,624,009,487.04/124,925.60
  6. Step 6: Final answer
    x = 61,028.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.