Home / 162,986.76-224,923.77-99,330.48

Finding the Fourth Proportional to 162,986.76, 224,923.77 and 99,330.48

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Solution

The fourth proportional to 162,986.76, 224,923.77 and 99,330.48 is: 137,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,986.76 : 224,923.77 = 99,330.48 : x
  2. Step 2: Convert to fraction form
    162,986.76/224,923.77 = 99,330.48/x
  3. Step 3: Cross multiply
    162,986.76x = 224,923.77 × 99,330.48
  4. Step 4: Simplify right side
    162,986.76x = 22,341,786,037.51
  5. Step 5: Solve for x
    x = 22,341,786,037.51/162,986.76
  6. Step 6: Final answer
    x = 137,077.31

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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.