Home / 154,423.60-231,635.40-144,055.60

Finding the Fourth Proportional to 154,423.60, 231,635.40 and 144,055.60

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Solution

The fourth proportional to 154,423.60, 231,635.40 and 144,055.60 is: 216,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,423.60 : 231,635.40 = 144,055.60 : x
  2. Step 2: Convert to fraction form
    154,423.60/231,635.40 = 144,055.60/x
  3. Step 3: Cross multiply
    154,423.60x = 231,635.40 × 144,055.60
  4. Step 4: Simplify right side
    154,423.60x = 33,368,376,528.24
  5. Step 5: Solve for x
    x = 33,368,376,528.24/154,423.60
  6. Step 6: Final answer
    x = 216,083.40

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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.