Home / 105,202.90-145,173.06-59,885.53

Finding the Fourth Proportional to 105,202.90, 145,173.06 and 59,885.53

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Solution

The fourth proportional to 105,202.90, 145,173.06 and 59,885.53 is: 82,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,202.90 : 145,173.06 = 59,885.53 : x
  2. Step 2: Convert to fraction form
    105,202.90/145,173.06 = 59,885.53/x
  3. Step 3: Cross multiply
    105,202.90x = 145,173.06 × 59,885.53
  4. Step 4: Simplify right side
    105,202.90x = 8,693,765,276.89
  5. Step 5: Solve for x
    x = 8,693,765,276.89/105,202.90
  6. Step 6: Final answer
    x = 82,638.08

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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.