Home / 102,202.08-153,326.16-31,131.06

Finding the Fourth Proportional to 102,202.08, 153,326.16 and 31,131.06

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Solution

The fourth proportional to 102,202.08, 153,326.16 and 31,131.06 is: 46,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,202.08 : 153,326.16 = 31,131.06 : x
  2. Step 2: Convert to fraction form
    102,202.08/153,326.16 = 31,131.06/x
  3. Step 3: Cross multiply
    102,202.08x = 153,326.16 × 31,131.06
  4. Step 4: Simplify right side
    102,202.08x = 4,773,205,886.53
  5. Step 5: Solve for x
    x = 4,773,205,886.53/102,202.08
  6. Step 6: Final answer
    x = 46,703.61

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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.