Home / 190,904.40-286,356.60-134,625.60

Finding the Fourth Proportional to 190,904.40, 286,356.60 and 134,625.60

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Solution

The fourth proportional to 190,904.40, 286,356.60 and 134,625.60 is: 201,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.40 : 286,356.60 = 134,625.60 : x
  2. Step 2: Convert to fraction form
    190,904.40/286,356.60 = 134,625.60/x
  3. Step 3: Cross multiply
    190,904.40x = 286,356.60 × 134,625.60
  4. Step 4: Simplify right side
    190,904.40x = 38,550,929,088.96
  5. Step 5: Solve for x
    x = 38,550,929,088.96/190,904.40
  6. Step 6: Final answer
    x = 201,938.40

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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.