Home / 101,459.16-152,223.63-45,338.00

Finding the Fourth Proportional to 101,459.16, 152,223.63 and 45,338.00

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Solution

The fourth proportional to 101,459.16, 152,223.63 and 45,338.00 is: 68,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,459.16 : 152,223.63 = 45,338.00 : x
  2. Step 2: Convert to fraction form
    101,459.16/152,223.63 = 45,338.00/x
  3. Step 3: Cross multiply
    101,459.16x = 152,223.63 × 45,338.00
  4. Step 4: Simplify right side
    101,459.16x = 6,901,515,417.70
  5. Step 5: Solve for x
    x = 6,901,515,417.70/101,459.16
  6. Step 6: Final answer
    x = 68,022.60

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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.