Home / 340,837.17-470,376.34-187,875.02

Finding the Fourth Proportional to 340,837.17, 470,376.34 and 187,875.02

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Solution

The fourth proportional to 340,837.17, 470,376.34 and 187,875.02 is: 259,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,837.17 : 470,376.34 = 187,875.02 : x
  2. Step 2: Convert to fraction form
    340,837.17/470,376.34 = 187,875.02/x
  3. Step 3: Cross multiply
    340,837.17x = 470,376.34 × 187,875.02
  4. Step 4: Simplify right side
    340,837.17x = 88,371,961,463.46
  5. Step 5: Solve for x
    x = 88,371,961,463.46/340,837.17
  6. Step 6: Final answer
    x = 259,279.12

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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.