Home / 368,088.47-552,139.63-115,363.36

Finding the Fourth Proportional to 368,088.47, 552,139.63 and 115,363.36

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Solution

The fourth proportional to 368,088.47, 552,139.63 and 115,363.36 is: 173,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,088.47 : 552,139.63 = 115,363.36 : x
  2. Step 2: Convert to fraction form
    368,088.47/552,139.63 = 115,363.36/x
  3. Step 3: Cross multiply
    368,088.47x = 552,139.63 × 115,363.36
  4. Step 4: Simplify right side
    368,088.47x = 63,696,684,698.39
  5. Step 5: Solve for x
    x = 63,696,684,698.39/368,088.47
  6. Step 6: Final answer
    x = 173,047.21

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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.