Home / 245,505.06-338,843.51-153,666.94

Finding the Fourth Proportional to 245,505.06, 338,843.51 and 153,666.94

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Solution

The fourth proportional to 245,505.06, 338,843.51 and 153,666.94 is: 212,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,505.06 : 338,843.51 = 153,666.94 : x
  2. Step 2: Convert to fraction form
    245,505.06/338,843.51 = 153,666.94/x
  3. Step 3: Cross multiply
    245,505.06x = 338,843.51 × 153,666.94
  4. Step 4: Simplify right side
    245,505.06x = 52,069,045,320.56
  5. Step 5: Solve for x
    x = 52,069,045,320.56/245,505.06
  6. Step 6: Final answer
    x = 212,089.50

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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.