Home / 210,624.02-315,952.36-70,383.14

Finding the Fourth Proportional to 210,624.02, 315,952.36 and 70,383.14

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Solution

The fourth proportional to 210,624.02, 315,952.36 and 70,383.14 is: 105,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,624.02 : 315,952.36 = 70,383.14 : x
  2. Step 2: Convert to fraction form
    210,624.02/315,952.36 = 70,383.14/x
  3. Step 3: Cross multiply
    210,624.02x = 315,952.36 × 70,383.14
  4. Step 4: Simplify right side
    210,624.02x = 22,237,719,187.21
  5. Step 5: Solve for x
    x = 22,237,719,187.21/210,624.02
  6. Step 6: Final answer
    x = 105,580.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.