Home / 154,017.19-212,302.60-141,644.58

Finding the Fourth Proportional to 154,017.19, 212,302.60 and 141,644.58

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Solution

The fourth proportional to 154,017.19, 212,302.60 and 141,644.58 is: 195,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,017.19 : 212,302.60 = 141,644.58 : x
  2. Step 2: Convert to fraction form
    154,017.19/212,302.60 = 141,644.58/x
  3. Step 3: Cross multiply
    154,017.19x = 212,302.60 × 141,644.58
  4. Step 4: Simplify right side
    154,017.19x = 30,071,512,609.91
  5. Step 5: Solve for x
    x = 30,071,512,609.91/154,017.19
  6. Step 6: Final answer
    x = 195,247.77

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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.