Home / 220,781.32-304,681.43-124,006.14

Finding the Fourth Proportional to 220,781.32, 304,681.43 and 124,006.14

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Solution

The fourth proportional to 220,781.32, 304,681.43 and 124,006.14 is: 171,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,781.32 : 304,681.43 = 124,006.14 : x
  2. Step 2: Convert to fraction form
    220,781.32/304,681.43 = 124,006.14/x
  3. Step 3: Cross multiply
    220,781.32x = 304,681.43 × 124,006.14
  4. Step 4: Simplify right side
    220,781.32x = 37,782,368,374.00
  5. Step 5: Solve for x
    x = 37,782,368,374.00/220,781.32
  6. Step 6: Final answer
    x = 171,130.28

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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.