Home / 162,718.16-224,544.83-89,129.41

Finding the Fourth Proportional to 162,718.16, 224,544.83 and 89,129.41

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Solution

The fourth proportional to 162,718.16, 224,544.83 and 89,129.41 is: 122,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,718.16 : 224,544.83 = 89,129.41 : x
  2. Step 2: Convert to fraction form
    162,718.16/224,544.83 = 89,129.41/x
  3. Step 3: Cross multiply
    162,718.16x = 224,544.83 × 89,129.41
  4. Step 4: Simplify right side
    162,718.16x = 20,013,547,770.80
  5. Step 5: Solve for x
    x = 20,013,547,770.80/162,718.16
  6. Step 6: Final answer
    x = 122,995.17

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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.