Home / 118,868.36-177,254.90-117,802.40

Finding the Fourth Proportional to 118,868.36, 177,254.90 and 117,802.40

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Solution

The fourth proportional to 118,868.36, 177,254.90 and 117,802.40 is: 175,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,868.36 : 177,254.90 = 117,802.40 : x
  2. Step 2: Convert to fraction form
    118,868.36/177,254.90 = 117,802.40/x
  3. Step 3: Cross multiply
    118,868.36x = 177,254.90 × 117,802.40
  4. Step 4: Simplify right side
    118,868.36x = 20,881,052,631.76
  5. Step 5: Solve for x
    x = 20,881,052,631.76/118,868.36
  6. Step 6: Final answer
    x = 175,665.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.