Home / 346,580.79-478,266.39-193,618.32

Finding the Fourth Proportional to 346,580.79, 478,266.39 and 193,618.32

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Solution

The fourth proportional to 346,580.79, 478,266.39 and 193,618.32 is: 267,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,580.79 : 478,266.39 = 193,618.32 : x
  2. Step 2: Convert to fraction form
    346,580.79/478,266.39 = 193,618.32/x
  3. Step 3: Cross multiply
    346,580.79x = 478,266.39 × 193,618.32
  4. Step 4: Simplify right side
    346,580.79x = 92,601,134,944.26
  5. Step 5: Solve for x
    x = 92,601,134,944.26/346,580.79
  6. Step 6: Final answer
    x = 267,184.85

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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.