Home / 158,392.90-218,582.18-94,730.70

Finding the Fourth Proportional to 158,392.90, 218,582.18 and 94,730.70

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Solution

The fourth proportional to 158,392.90, 218,582.18 and 94,730.70 is: 130,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,392.90 : 218,582.18 = 94,730.70 : x
  2. Step 2: Convert to fraction form
    158,392.90/218,582.18 = 94,730.70/x
  3. Step 3: Cross multiply
    158,392.90x = 218,582.18 × 94,730.70
  4. Step 4: Simplify right side
    158,392.90x = 20,706,442,918.93
  5. Step 5: Solve for x
    x = 20,706,442,918.93/158,392.90
  6. Step 6: Final answer
    x = 130,728.35

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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.