Home / 229,423.90-316,549.59-133,876.06

Finding the Fourth Proportional to 229,423.90, 316,549.59 and 133,876.06

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Solution

The fourth proportional to 229,423.90, 316,549.59 and 133,876.06 is: 184,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,423.90 : 316,549.59 = 133,876.06 : x
  2. Step 2: Convert to fraction form
    229,423.90/316,549.59 = 133,876.06/x
  3. Step 3: Cross multiply
    229,423.90x = 316,549.59 × 133,876.06
  4. Step 4: Simplify right side
    229,423.90x = 42,378,411,903.82
  5. Step 5: Solve for x
    x = 42,378,411,903.82/229,423.90
  6. Step 6: Final answer
    x = 184,716.64

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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.