Home / 117,018.40-175,545.80-38,114.26

Finding the Fourth Proportional to 117,018.40, 175,545.80 and 38,114.26

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Solution

The fourth proportional to 117,018.40, 175,545.80 and 38,114.26 is: 57,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,018.40 : 175,545.80 = 38,114.26 : x
  2. Step 2: Convert to fraction form
    117,018.40/175,545.80 = 38,114.26/x
  3. Step 3: Cross multiply
    117,018.40x = 175,545.80 × 38,114.26
  4. Step 4: Simplify right side
    117,018.40x = 6,690,798,263.11
  5. Step 5: Solve for x
    x = 6,690,798,263.11/117,018.40
  6. Step 6: Final answer
    x = 57,177.32

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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.