Home / 103,658.40-155,238.36-59,150.16

Finding the Fourth Proportional to 103,658.40, 155,238.36 and 59,150.16

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Solution

The fourth proportional to 103,658.40, 155,238.36 and 59,150.16 is: 88,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658.40 : 155,238.36 = 59,150.16 : x
  2. Step 2: Convert to fraction form
    103,658.40/155,238.36 = 59,150.16/x
  3. Step 3: Cross multiply
    103,658.40x = 155,238.36 × 59,150.16
  4. Step 4: Simplify right side
    103,658.40x = 9,182,373,832.14
  5. Step 5: Solve for x
    x = 9,182,373,832.14/103,658.40
  6. Step 6: Final answer
    x = 88,583.02

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1.5x scale

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.