Home / 171,307.28-236,341.32-123,458.96

Finding the Fourth Proportional to 171,307.28, 236,341.32 and 123,458.96

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Solution

The fourth proportional to 171,307.28, 236,341.32 and 123,458.96 is: 170,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,307.28 : 236,341.32 = 123,458.96 : x
  2. Step 2: Convert to fraction form
    171,307.28/236,341.32 = 123,458.96/x
  3. Step 3: Cross multiply
    171,307.28x = 236,341.32 × 123,458.96
  4. Step 4: Simplify right side
    171,307.28x = 29,178,453,572.23
  5. Step 5: Solve for x
    x = 29,178,453,572.23/171,307.28
  6. Step 6: Final answer
    x = 170,328.16

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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.