Home / 139,933.52-209,897.40-46,440.08

Finding the Fourth Proportional to 139,933.52, 209,897.40 and 46,440.08

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Solution

The fourth proportional to 139,933.52, 209,897.40 and 46,440.08 is: 69,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,933.52 : 209,897.40 = 46,440.08 : x
  2. Step 2: Convert to fraction form
    139,933.52/209,897.40 = 46,440.08/x
  3. Step 3: Cross multiply
    139,933.52x = 209,897.40 × 46,440.08
  4. Step 4: Simplify right side
    139,933.52x = 9,747,652,047.79
  5. Step 5: Solve for x
    x = 9,747,652,047.79/139,933.52
  6. Step 6: Final answer
    x = 69,659.16

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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.