Home / 157,271.86-217,044.24-118,440.15

Finding the Fourth Proportional to 157,271.86, 217,044.24 and 118,440.15

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Solution

The fourth proportional to 157,271.86, 217,044.24 and 118,440.15 is: 163,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,271.86 : 217,044.24 = 118,440.15 : x
  2. Step 2: Convert to fraction form
    157,271.86/217,044.24 = 118,440.15/x
  3. Step 3: Cross multiply
    157,271.86x = 217,044.24 × 118,440.15
  4. Step 4: Simplify right side
    157,271.86x = 25,706,752,342.24
  5. Step 5: Solve for x
    x = 25,706,752,342.24/157,271.86
  6. Step 6: Final answer
    x = 163,454.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.