Home / 162,921.41-224,831.19-99,259.26

Finding the Fourth Proportional to 162,921.41, 224,831.19 and 99,259.26

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Solution

The fourth proportional to 162,921.41, 224,831.19 and 99,259.26 is: 136,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,921.41 : 224,831.19 = 99,259.26 : x
  2. Step 2: Convert to fraction form
    162,921.41/224,831.19 = 99,259.26/x
  3. Step 3: Cross multiply
    162,921.41x = 224,831.19 × 99,259.26
  4. Step 4: Simplify right side
    162,921.41x = 22,316,577,073.42
  5. Step 5: Solve for x
    x = 22,316,577,073.42/162,921.41
  6. Step 6: Final answer
    x = 136,977.56

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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.