Home / 346,467.42-478,123.02-193,503.78

Finding the Fourth Proportional to 346,467.42, 478,123.02 and 193,503.78

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Solution

The fourth proportional to 346,467.42, 478,123.02 and 193,503.78 is: 267,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,467.42 : 478,123.02 = 193,503.78 : x
  2. Step 2: Convert to fraction form
    346,467.42/478,123.02 = 193,503.78/x
  3. Step 3: Cross multiply
    346,467.42x = 478,123.02 × 193,503.78
  4. Step 4: Simplify right side
    346,467.42x = 92,518,611,675.02
  5. Step 5: Solve for x
    x = 92,518,611,675.02/346,467.42
  6. Step 6: Final answer
    x = 267,034.09

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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.