Home / 162,688.72-224,394.46-99,030.60

Finding the Fourth Proportional to 162,688.72, 224,394.46 and 99,030.60

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Solution

The fourth proportional to 162,688.72, 224,394.46 and 99,030.60 is: 136,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,688.72 : 224,394.46 = 99,030.60 : x
  2. Step 2: Convert to fraction form
    162,688.72/224,394.46 = 99,030.60/x
  3. Step 3: Cross multiply
    162,688.72x = 224,394.46 × 99,030.60
  4. Step 4: Simplify right side
    162,688.72x = 22,221,918,010.48
  5. Step 5: Solve for x
    x = 22,221,918,010.48/162,688.72
  6. Step 6: Final answer
    x = 136,591.63

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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.