Home / 102,526.16-141,485.90-57,201.46

Finding the Fourth Proportional to 102,526.16, 141,485.90 and 57,201.46

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Solution

The fourth proportional to 102,526.16, 141,485.90 and 57,201.46 is: 78,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,526.16 : 141,485.90 = 57,201.46 : x
  2. Step 2: Convert to fraction form
    102,526.16/141,485.90 = 57,201.46/x
  3. Step 3: Cross multiply
    102,526.16x = 141,485.90 × 57,201.46
  4. Step 4: Simplify right side
    102,526.16x = 8,093,199,409.69
  5. Step 5: Solve for x
    x = 8,093,199,409.69/102,526.16
  6. Step 6: Final answer
    x = 78,937.90

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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.