Home / 113,130.04-156,119.82-62,829.04

Finding the Fourth Proportional to 113,130.04, 156,119.82 and 62,829.04

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Solution

The fourth proportional to 113,130.04, 156,119.82 and 62,829.04 is: 86,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,130.04 : 156,119.82 = 62,829.04 : x
  2. Step 2: Convert to fraction form
    113,130.04/156,119.82 = 62,829.04/x
  3. Step 3: Cross multiply
    113,130.04x = 156,119.82 × 62,829.04
  4. Step 4: Simplify right side
    113,130.04x = 9,808,858,415.57
  5. Step 5: Solve for x
    x = 9,808,858,415.57/113,130.04
  6. Step 6: Final answer
    x = 86,704.28

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1.5x scale

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.