Home / 144,275.18-217,397.57-118,556.06

Finding the Fourth Proportional to 144,275.18, 217,397.57 and 118,556.06

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Solution

The fourth proportional to 144,275.18, 217,397.57 and 118,556.06 is: 178,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,275.18 : 217,397.57 = 118,556.06 : x
  2. Step 2: Convert to fraction form
    144,275.18/217,397.57 = 118,556.06/x
  3. Step 3: Cross multiply
    144,275.18x = 217,397.57 × 118,556.06
  4. Step 4: Simplify right side
    144,275.18x = 25,773,799,352.77
  5. Step 5: Solve for x
    x = 25,773,799,352.77/144,275.18
  6. Step 6: Final answer
    x = 178,643.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.