Home / 355,106.16-532,661.27-118,448.15

Finding the Fourth Proportional to 355,106.16, 532,661.27 and 118,448.15

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Solution

The fourth proportional to 355,106.16, 532,661.27 and 118,448.15 is: 177,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,106.16 : 532,661.27 = 118,448.15 : x
  2. Step 2: Convert to fraction form
    355,106.16/532,661.27 = 118,448.15/x
  3. Step 3: Cross multiply
    355,106.16x = 532,661.27 × 118,448.15
  4. Step 4: Simplify right side
    355,106.16x = 63,092,738,752.60
  5. Step 5: Solve for x
    x = 63,092,738,752.60/355,106.16
  6. Step 6: Final answer
    x = 177,672.89

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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.