Home / 210,007.10-314,883.98-83,666.84

Finding the Fourth Proportional to 210,007.10, 314,883.98 and 83,666.84

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Solution

The fourth proportional to 210,007.10, 314,883.98 and 83,666.84 is: 125,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.10 : 314,883.98 = 83,666.84 : x
  2. Step 2: Convert to fraction form
    210,007.10/314,883.98 = 83,666.84/x
  3. Step 3: Cross multiply
    210,007.10x = 314,883.98 × 83,666.84
  4. Step 4: Simplify right side
    210,007.10x = 26,345,345,580.47
  5. Step 5: Solve for x
    x = 26,345,345,580.47/210,007.10
  6. Step 6: Final answer
    x = 125,449.79

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1.5x scale

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.