Home / 113,332.80-169,999.20-101,085.60

Finding the Fourth Proportional to 113,332.80, 169,999.20 and 101,085.60

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Solution

The fourth proportional to 113,332.80, 169,999.20 and 101,085.60 is: 151,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,332.80 : 169,999.20 = 101,085.60 : x
  2. Step 2: Convert to fraction form
    113,332.80/169,999.20 = 101,085.60/x
  3. Step 3: Cross multiply
    113,332.80x = 169,999.20 × 101,085.60
  4. Step 4: Simplify right side
    113,332.80x = 17,184,471,131.52
  5. Step 5: Solve for x
    x = 17,184,471,131.52/113,332.80
  6. Step 6: Final answer
    x = 151,628.40

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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.