Home / 162,784.78-224,411.79-119,688.19

Finding the Fourth Proportional to 162,784.78, 224,411.79 and 119,688.19

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Solution

The fourth proportional to 162,784.78, 224,411.79 and 119,688.19 is: 164,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,784.78 : 224,411.79 = 119,688.19 : x
  2. Step 2: Convert to fraction form
    162,784.78/224,411.79 = 119,688.19/x
  3. Step 3: Cross multiply
    162,784.78x = 224,411.79 × 119,688.19
  4. Step 4: Simplify right side
    162,784.78x = 26,859,440,959.76
  5. Step 5: Solve for x
    x = 26,859,440,959.76/162,784.78
  6. Step 6: Final answer
    x = 164,999.71

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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.