Home / 346,915.02-520,569.38-136,700.58

Finding the Fourth Proportional to 346,915.02, 520,569.38 and 136,700.58

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Solution

The fourth proportional to 346,915.02, 520,569.38 and 136,700.58 is: 205,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,915.02 : 520,569.38 = 136,700.58 : x
  2. Step 2: Convert to fraction form
    346,915.02/520,569.38 = 136,700.58/x
  3. Step 3: Cross multiply
    346,915.02x = 520,569.38 × 136,700.58
  4. Step 4: Simplify right side
    346,915.02x = 71,162,136,176.24
  5. Step 5: Solve for x
    x = 71,162,136,176.24/346,915.02
  6. Step 6: Final answer
    x = 205,128.44

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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.