Home / 153,762.14-212,077.20-112,913.43

Finding the Fourth Proportional to 153,762.14, 212,077.20 and 112,913.43

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Solution

The fourth proportional to 153,762.14, 212,077.20 and 112,913.43 is: 155,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,762.14 : 212,077.20 = 112,913.43 : x
  2. Step 2: Convert to fraction form
    153,762.14/212,077.20 = 112,913.43/x
  3. Step 3: Cross multiply
    153,762.14x = 212,077.20 × 112,913.43
  4. Step 4: Simplify right side
    153,762.14x = 23,946,362,752.22
  5. Step 5: Solve for x
    x = 23,946,362,752.22/153,762.14
  6. Step 6: Final answer
    x = 155,736.40

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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.