Home / 296,420.16-409,021.38-169,088.16

Finding the Fourth Proportional to 296,420.16, 409,021.38 and 169,088.16

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Solution

The fourth proportional to 296,420.16, 409,021.38 and 169,088.16 is: 233,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,420.16 : 409,021.38 = 169,088.16 : x
  2. Step 2: Convert to fraction form
    296,420.16/409,021.38 = 169,088.16/x
  3. Step 3: Cross multiply
    296,420.16x = 409,021.38 × 169,088.16
  4. Step 4: Simplify right side
    296,420.16x = 69,160,672,544.86
  5. Step 5: Solve for x
    x = 69,160,672,544.86/296,420.16
  6. Step 6: Final answer
    x = 233,319.73

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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.