Home / 141,230.60-212,615.39-121,946.12

Finding the Fourth Proportional to 141,230.60, 212,615.39 and 121,946.12

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Solution

The fourth proportional to 141,230.60, 212,615.39 and 121,946.12 is: 183,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,230.60 : 212,615.39 = 121,946.12 : x
  2. Step 2: Convert to fraction form
    141,230.60/212,615.39 = 121,946.12/x
  3. Step 3: Cross multiply
    141,230.60x = 212,615.39 × 121,946.12
  4. Step 4: Simplify right side
    141,230.60x = 25,927,621,862.79
  5. Step 5: Solve for x
    x = 25,927,621,862.79/141,230.60
  6. Step 6: Final answer
    x = 183,583.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.