Home / 142,105.08-213,224.10-62,132.70

Finding the Fourth Proportional to 142,105.08, 213,224.10 and 62,132.70

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Solution

The fourth proportional to 142,105.08, 213,224.10 and 62,132.70 is: 93,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,105.08 : 213,224.10 = 62,132.70 : x
  2. Step 2: Convert to fraction form
    142,105.08/213,224.10 = 62,132.70/x
  3. Step 3: Cross multiply
    142,105.08x = 213,224.10 × 62,132.70
  4. Step 4: Simplify right side
    142,105.08x = 13,248,189,038.07
  5. Step 5: Solve for x
    x = 13,248,189,038.07/142,105.08
  6. Step 6: Final answer
    x = 93,228.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.