Home / 115,603.40-173,405.10-60,192.20

Finding the Fourth Proportional to 115,603.40, 173,405.10 and 60,192.20

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Solution

The fourth proportional to 115,603.40, 173,405.10 and 60,192.20 is: 90,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,603.40 : 173,405.10 = 60,192.20 : x
  2. Step 2: Convert to fraction form
    115,603.40/173,405.10 = 60,192.20/x
  3. Step 3: Cross multiply
    115,603.40x = 173,405.10 × 60,192.20
  4. Step 4: Simplify right side
    115,603.40x = 10,437,634,460.22
  5. Step 5: Solve for x
    x = 10,437,634,460.22/115,603.40
  6. Step 6: Final answer
    x = 90,288.30

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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.