Home / 346,495.12-478,158.22-193,535.49

Finding the Fourth Proportional to 346,495.12, 478,158.22 and 193,535.49

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Solution

The fourth proportional to 346,495.12, 478,158.22 and 193,535.49 is: 267,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,495.12 : 478,158.22 = 193,535.49 : x
  2. Step 2: Convert to fraction form
    346,495.12/478,158.22 = 193,535.49/x
  3. Step 3: Cross multiply
    346,495.12x = 478,158.22 × 193,535.49
  4. Step 4: Simplify right side
    346,495.12x = 92,540,585,405.23
  5. Step 5: Solve for x
    x = 92,540,585,405.23/346,495.12
  6. Step 6: Final answer
    x = 267,076.16

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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.