Home / 117,009.15-175,513.73-83,657.40

Finding the Fourth Proportional to 117,009.15, 175,513.73 and 83,657.40

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Solution

The fourth proportional to 117,009.15, 175,513.73 and 83,657.40 is: 125,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.15 : 175,513.73 = 83,657.40 : x
  2. Step 2: Convert to fraction form
    117,009.15/175,513.73 = 83,657.40/x
  3. Step 3: Cross multiply
    117,009.15x = 175,513.73 × 83,657.40
  4. Step 4: Simplify right side
    117,009.15x = 14,683,021,897.82
  5. Step 5: Solve for x
    x = 14,683,021,897.82/117,009.15
  6. Step 6: Final answer
    x = 125,486.10

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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.