Home / 348,022.40-480,264.16-202,855.36

Finding the Fourth Proportional to 348,022.40, 480,264.16 and 202,855.36

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Solution

The fourth proportional to 348,022.40, 480,264.16 and 202,855.36 is: 279,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,022.40 : 480,264.16 = 202,855.36 : x
  2. Step 2: Convert to fraction form
    348,022.40/480,264.16 = 202,855.36/x
  3. Step 3: Cross multiply
    348,022.40x = 480,264.16 × 202,855.36
  4. Step 4: Simplify right side
    348,022.40x = 97,424,159,071.90
  5. Step 5: Solve for x
    x = 97,424,159,071.90/348,022.40
  6. Step 6: Final answer
    x = 279,936.46

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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.