Home / 369,714.10-554,569.35-144,915.70

Finding the Fourth Proportional to 369,714.10, 554,569.35 and 144,915.70

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Solution

The fourth proportional to 369,714.10, 554,569.35 and 144,915.70 is: 217,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,714.10 : 554,569.35 = 144,915.70 : x
  2. Step 2: Convert to fraction form
    369,714.10/554,569.35 = 144,915.70/x
  3. Step 3: Cross multiply
    369,714.10x = 554,569.35 × 144,915.70
  4. Step 4: Simplify right side
    369,714.10x = 80,365,805,553.80
  5. Step 5: Solve for x
    x = 80,365,805,553.80/369,714.10
  6. Step 6: Final answer
    x = 217,372.84

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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.