Home / 346,618.10-478,250.97-201,337.57

Finding the Fourth Proportional to 346,618.10, 478,250.97 and 201,337.57

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Solution

The fourth proportional to 346,618.10, 478,250.97 and 201,337.57 is: 277,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,618.10 : 478,250.97 = 201,337.57 : x
  2. Step 2: Convert to fraction form
    346,618.10/478,250.97 = 201,337.57/x
  3. Step 3: Cross multiply
    346,618.10x = 478,250.97 × 201,337.57
  4. Step 4: Simplify right side
    346,618.10x = 96,289,887,143.26
  5. Step 5: Solve for x
    x = 96,289,887,143.26/346,618.10
  6. Step 6: Final answer
    x = 277,798.21

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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.