Home / 125,496.36-173,266.02-77,800.68

Finding the Fourth Proportional to 125,496.36, 173,266.02 and 77,800.68

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Solution

The fourth proportional to 125,496.36, 173,266.02 and 77,800.68 is: 107,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,496.36 : 173,266.02 = 77,800.68 : x
  2. Step 2: Convert to fraction form
    125,496.36/173,266.02 = 77,800.68/x
  3. Step 3: Cross multiply
    125,496.36x = 173,266.02 × 77,800.68
  4. Step 4: Simplify right side
    125,496.36x = 13,480,214,176.89
  5. Step 5: Solve for x
    x = 13,480,214,176.89/125,496.36
  6. Step 6: Final answer
    x = 107,415.18

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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.