Home / 162,734.14-224,570.70-90,130.12

Finding the Fourth Proportional to 162,734.14, 224,570.70 and 90,130.12

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Solution

The fourth proportional to 162,734.14, 224,570.70 and 90,130.12 is: 124,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,734.14 : 224,570.70 = 90,130.12 : x
  2. Step 2: Convert to fraction form
    162,734.14/224,570.70 = 90,130.12/x
  3. Step 3: Cross multiply
    162,734.14x = 224,570.70 × 90,130.12
  4. Step 4: Simplify right side
    162,734.14x = 20,240,584,139.48
  5. Step 5: Solve for x
    x = 20,240,584,139.48/162,734.14
  6. Step 6: Final answer
    x = 124,378.23

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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.