Home / 296,765.40-409,678.08-169,416.36

Finding the Fourth Proportional to 296,765.40, 409,678.08 and 169,416.36

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Solution

The fourth proportional to 296,765.40, 409,678.08 and 169,416.36 is: 233,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,765.40 : 409,678.08 = 169,416.36 : x
  2. Step 2: Convert to fraction form
    296,765.40/409,678.08 = 169,416.36/x
  3. Step 3: Cross multiply
    296,765.40x = 409,678.08 × 169,416.36
  4. Step 4: Simplify right side
    296,765.40x = 69,406,169,085.39
  5. Step 5: Solve for x
    x = 69,406,169,085.39/296,765.40
  6. Step 6: Final answer
    x = 233,875.54

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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.